Filters
Categories
- 1-1/2" Quick Connect Hand Rail System
- 180 Degree Glass-to-Glass Mount Hinges
- 280
- 285
- 290
- 295 495
- 3/8"
- 300
- 350
- 4" Dry Glaze Door Rails
- 400 Series Aluminum Railing System Components
- 51
- 70
- Accessories and Tools for Glass Door Handles
- Accessories for Sneeze Guards
- Acrylic Latex Caulks
- Acrylic Mirror Bathroom Accessories
- Acrylic Mirror Plates
- Acrylic Pull Handles
- Acrylic Towel Bars and Pull Handles
- Acura Windshield Clips
- Adjustable Glass Clamps
- Adjustable Window Screens
- Aluminum
- Aluminum Base Shoes
- Aluminum Base Shoes and Related Hardware
- Aluminum Component Railing System
- Aluminum Extrusions
- Aluminum Extrusions for Sliding Screen Door Openings
- Aluminum H Channels
- Aluminum Windscreen Post Kit Components
- and 1/2" Glass
- and Accessories
- and Clear Vinyls
- and Header Bolts & Accessories
- and Misc Tools
- and Post Systems
- and Thresholds
- and Tools
- and Washers
- Aprons and Work Belts
- Architectural Drawing Tube
- Architectural Foam Tapes
- Architectural Glazing Foam Tapes
- Auto Glass Adhesives & Epoxies
- Auto Glass Channels
- Auto Glass Crack Repair and Scratch Removal Systems
- Auto Glass Cut-Out Tools
- Auto Glass Door Channel
- Auto Glass Handling
- Auto Glass Rubber Moldings
- Auto Glass Sealant Installation Tools and Supplies
- Auto Glass Weatherstrips
- Automotive Clip Kits
- Automotive Glass Repair and Scratch Polishing Systems
- Automotive Screws and Washers
- Awls and Chisels
- Awning Window Hardware
- Awning Window Hardware - South Eastern Region
- Backer
- Barrier Systems Posts and Related Parts
- Base Shoe Cladding
- Beveled Style Heavy-Duty Glass Clamps
- Bi-Folding Door Pivots
- Bi-Passing Door Kits
- Bits & Jigs
- Blades
- BM Back-to-Back Towel Bars with Metal Washers
- BM Back-to-Back Towel Bars without Metal Washers
- BM Pull Handle/Towel Bar Combination with Metal Washers
- BM Pull Handle/Towel Bar Combination without Metal Washers
- BM Single-Sided Towel Bars with Metal Washers
- BM Single-Sided Towel Bars without Metal Washers
- Bolts
- Brackets
- Brackets and Fasteners
- Brand Floor Mounted Door Closers and Accessories
- Brand Overhead Concealed Door Closers and Accessories
- Brass Wall Mounted Towel Bars
- Bristol Series Sliding Shower Door System
- Brushes and Accessories
- Bullet Resistant Protective Barrier Systems
- Butyl Rubber Caulks
- Cabinet Hinges and Rollers
- Cabinets and Parts Boxes
- Cable Display Systems
- Cap Rails
- Casement and Awning Operators
- Casement Latches
- Caulking Guns
- Caulking Tools
- Channel Balance Hardware
- Chevy/GMC Van Windows
- Clips and Accessories
- Columbia Security Doors
- Combination Victorian Style Pull and Towel Bar
- Commercial and Residential Butt Hinges
- Commercial Door Locks
- Commercial Door Pulls
- Commercial Glass Clamps in Metal
- Commercial Patch Fitting Hardware
- Commercial Restroom Hardware and Fixtures
- Commercial Storefront Door Pivots and Hinges
- Common Replacement Parts for Various CRL Handles
- Cottage Series Kit Replacement Parts
- Crescent Style Back-to-Back Towel Bars
- CRL 100 Series Aluminum Railing System Components
- CRL 200
- CRL 50
- CRL Blumcraft® Deadbolt Top Mount Handles
- CRL Design Series Partition Post
- CRL E-Z Slide 80/180 Series Heavy Glass Sliding Door Systems
- CRL In Stock Sculptured Series Aluminum Sneeze Guards
- CRL Junior Header Kit For 1/4" Glass
- CRL Sculptured Series Partition Post
- CRL Slimline Series Sneeze Guards
- CRL-U.S. Aluminum Curtain Walls - Part Listings and Breakdowns
- CRL-U.S. Aluminum Hurricane Resistant
- CRL-U.S. Aluminum Windows - Part Listings and Breakdowns
- Cutting Tools
- Deal Trays and Shelves
- Deep U-Channel for 3/8" and 1/2" Glass
- Deluxe Header Kits for 5/16"
- Diamond Abrasive Products
- Display
- Dodge Van Windows
- Door and Window Weatherization
- Door Louvers
- Door Pulls
- Drill Bits
- Dry Abrasive Belts
- Edge Grips
- Edge Seals and Trims
- Edgetech Super Spacer®
- Electric Saws and Accessories
- Electrical Cords and Supplies
- End Caps for Deep U-Channels
- Entrance Door Components
- Entry Door Security Hardware
- Ergonomic Supports
- Essence Shower Door Kits and Replacement Parts
- Exchange Windows (Bullet Resistant)
- Extruded Aluminum Cap Rail Systems
- Eye & Face Protection
- Fascia Mounting Hardware
- Fastener Hardware and Accessories
- Fasteners and Guides
- Files and Clamps
- First Aid Products
- Fixed Size Surface Mounted Door Closers and Accessories
- Flush
- Fold Up-Compact Individual Tools and Sets
- Ford Sliders
- Ford Van Windows
- Framed Commercial Mirrors
- Frameless Hinge KD Door Kits
- Framing and Components
- Free-Swinging Retrofit Hardware for Concealed Door Closers
- Gate Systems and Hardware
- Glass
- Glass and Mirror Protection and Shipping Pads
- Glass Awning Support System
- Glass Bonding Adhesives and Cleaners
- Glass Bonding Tools and Supplies
- Glass Clamps
- Glass Cleaners
- Glass Connectors
- Glass Door Locks
- Glass Door Locksets
- Glass Drilling Tools and Accessories
- Glass Edge Seals
- Glass Handling Dollies
- Glass Handling Protective Wear and Safety Equipment
- Glass Mirror Plate Accessories
- Glass Mirror Plates
- Glass Pliers and Accessories
- Glass Polishing and Removal Systems
- Glass Protectors and Shipping Pads
- Glazing Points and Guns
- Glazing Spline and Channel
- Gloves & Hand Protection
- GM Clips
- Grab Bars
- Grinders
- GRRF Roll Formed Round Stainless Steel Cap Rail Systems
- Hacksaw Saw Blades
- Hammers and Mallets
- Hangers
- Heavy Glass Display Systems
- Heavy Glass Sliding Door Systems
- Hinge Replacement Parts and Special Hardware
- Hinged Screen and Storm Door Hardware
- Hooks and Accessories
- Horizontal Sliding Pass-Thru Assemblies (Interior Use Only)
- HRS Hand and Foot Railing Brackets
- HRS Hand Rail Components
- Hydroslide Kits and Parts
- Identifying Your Sunroof for Replacement Parts
- Industrial Quality Blades
- Insert Nut Fasteners
- Insulating Glass Sealants and Dispensers
- J-Channel Mirror Channels
- Jackson® 1000 Series Ultimate Overhead Concealed Door Closers and Accessories
- Jackson® Overhead Concealed Door Closers and Accessories
- Jig and Band Saw Blades
- K.D. Screen Door Kits for Sliding Patio Doors
- Keepers
- Kick Plates and Signs
- Kraft Paper
- L-Bar and Other Mirror Channels
- Ladders
- Laguna Pivot Glass Door Systems
- Laguna Series Sliding Glass Door Systems
- LCN Multi-Size Spring Adjustable Surface Mounted Door Closers and Accessories
- LED Illumination
- Locks
- Locks and Accessories
- Louver and Jalouise Window Hardware
- Machines and Related Items
- Magnifying Mirrors
- Mail Slots
- Manual Vacuum Cup Lifting Frames
- Masking Tapes
- Measuring and Leveling Tools
- Metal and General Purpose Cleaners
- Metal and Wood Handle Glass Cutters and Wheels
- Mirror
- Mirror Clips
- Mirrors for Safety and Surveillance
- Moldings
- Muntin Bars
- Neutral Cure Silicone Sealants
- No Drill Fixed Panel Clamps
- Notch-Free Pivot Mount Hinges
- Nuts
- Oil Glass Cutters and Accessories
- Overhead Channel Balances
- Overhead Concealed Closer Accessories
- P-Series Standoff Saddles for Hand Railing
- Package Drops
- Panel
- Panels and Adapters
- Panic Exit Devices
- Patio Door Locks
- Patio Door Rollers
- Patio Sliding Door Handles
- Pet Doors
- Pickup Truck and Van Glass Rack Tie Downs and Accessories
- Picture Hangers
- Pivot Mirrors
- Planks and Scaffolds
- Pliers
- Polishers and Parts
- Porch Screening
- Portable Sanders
- Powered and Heated Sealant and Putty Removal Tools and Blades
- Powered Vacuum Lifting Frame Accessories
- Professional Touch Up Paint
- Protective Tapes
- Pry Bars
- Putty
- Putty Removal Knives and Scraping Tools
- Railing Fasteners
- Railing Infills
- Replace-All Sliding Screen Doors
- Replacement Parts and Accessories
- Residential Thresholds
- Retractable Screen Door and Window Kits
- Rivet
- Rivets and Rivet Setting Tools
- Rixson® Floor Mounted Door Closers and Accessories
- Rod Display Systems
- Rolling Pass-Thru Assemblies
- Rolling Racks and Manipulators
- Rosettes
- Rotary Tools and Accessories
- Routers
- RV
- Safety Clothing & Workwear
- Sanders
- Sanding Discs and Pads
- Sanding Drums and Bands
- Sash and Division Bars
- Saws
- Scrapers
- Screen Accessories
- Screen Fabrication Tools and Equipment
- Screen Frame
- Screen Frame Corners
- Screen Retainer Spline
- Screen Wickets and Access Panels
- Screws
- SD Series Brass Towel Bar/Pull Handle Combination
- SD Series Single-Sided Towel Bars for Glass
- SDR and SSR Bottom Rolling Door Systems
- Security Solutions
- SER78 Deluxe 180 Degree Serenity Series Sliding System
- SFC Sunroofs
- Shelf Hardware
- Shims
- Shop Tools
- Showcase Accessories
- Showcase and Door Locks
- Showcase Extrusions
- Shower Curtain Rods
- Shower Door Catches
- Shower Door Hinge Kits
- Shower Door Knobs
- Shower Door Thresholds
- Shower Door Wipes and Seals
- Shower Enclosure Decorative Grids
- Shower Installation Tools and Supplies
- Shower Panel Support Bars and Brackets
- Single Seal Insulating Glass Spacers and Corners
- Sliding Glass Door Hardware
- Sliding Shower Door and Tub Enclosure Roller Assemblies
- Sliding Track Assemblies
- Sliding Window Hardware
- Sof Rods
- Solid Pull Handles
- Speak-Thrus
- Specialty Vacuum Equipment
- Spider Fittings
- Spiral Balances
- Spray Lubricants
- SQ Series Back-to-Back Towel Bars
- SQ Series Pull Handle/Towel Bar Combinations
- Square and Round Tubing
- Square Style Heavy-Duty Glass Clamps
- Stainless Steel and Plastic U-Channels
- Stalter Machines and Parts
- Standoff Systems
- Stapling Tools
- Steel and Plastic
- Steps
- Stops
- Storage Racks and Accessories
- Storefront and Curtain Wall Tools & Parts
- Storm Window Frame and Hardware
- Strikes
- Sunroof Installation Products and Accessories
- Sunroof Replacement Parts
- TAPER-LOC® Tools and Hardware
- Threshold
- Ticket and Cashier Windows
- Tool Boxes
- Tool Holders
- Tools and Accessories
- Top and Bottom Pivot Mount Hinges
- Towel Bar/Knob Combinationss
- Traditional Glass Clamps
- Trailer and Truck Cap Windows and Supplies
- TrimQuick® Window and Door Vinyl Trim
- Truck Cap Accessories
- Tub Enclosure and Sliding Shower Door Guides
- Tub Enclosure and Sliding Shower Door Rollers
- Tubular Pull Handles
- U-Channel and Accessories
- U-Channel With Wipe
- Universal Contoured and Non-Contoured Van Windows
- UV Glass Bonding Furniture and Display Hardware
- Vacuum Cups and Accessories
- Vision Lites and Louvers
- Wall Mount Full Back Plate Hinges
- Wall Mount Offset Back Plate Hinges
- Wall Mount Short Back Plate Hinges
- Wardrobe and Pocket Door and Drawer Hardware
- Wardrobe Door Guides
- Wardrobe Door Top Rollers
- Wardrobe Door Tracks
- Wedge-Lock Door Rails and Accessories
- Welded Post Railing Systems
- Window and Door Hardware Closeouts
- Window and Door Security Hardware
- Window Channel Balances
- Window Film
- Window Glazing Vinyl and Spline
- Window Rollers
- Window Security Hardware
- Wipes and Towels
Colors
- 28% Dark Gray
- 28% Solar
- Aluminum
- Aluminum Anodized
- Anochrome
- Antique Brass
- Antique Bronze
- Antique Oiled Bronze
- black
- Black / Aluminum
- Blue
- Brass
- Bright Nickel
- Bright Polished Nickel
- Bright Zinc Finish
- Brite Anodized
- Brite Chrome
- Bronze
- Brown
- Brushed Chrome
- Brushed Nickel
- Brushed Satin Chrome
- Brushed Stainless
- Chrome
- Chrome , Black
- Chrome Plated
- Chrome,Black
- Clear
- Clear Acrylic
- Clear Mirror
- Cork
- Custom
- Dark Bronze
- Dark Bronze Anodized
- Dark Solar
- Dark Solar Privacy Glass
- Dull Chrome
- Frosted White
- Glazing Spline
- Gold Plated
- Gray
- Green
- Mill
- Mill Aluminum
- Nickel Plated
- Nylon
- Off-White
- Oil Rubbed Bronze
- Other
- Pebble Grey
- Polished Brass
- Polished Chrome
- Polished Nickel
- Polished Stainless
- Polished Stainless Steel
- red
- Satin Aluminum
- Satin Anodized
- Satin Brass
- Satin Chrome
- Satin Nickel
- Stainless Steel
- Steel
- Translucent
- white
- Wood
- Yellow
- Zinc
- Zinc Plated
Sizes
- Specify
- #10 x 2" (51 mm)
- #8 x 3/4" (19 mm)
- 1 1/2"
- 1-1/2 Gl.
- 1-1/2 in. (38.1 mm) Square
- 1-1/2 inch
- 1-1/2" (38 mm)
- 1-1/2" (40 mm)
- 1-1/2" x 23-1/4" (38 x 590 mm)
- 1-1/4 Square
- 1-1/4" (32 mm)
- 1-1/4"-20
- 1-1/8" x 21" (29 x 533 mm)
- 1-15/16" (49 mm) Wide (each leg) x 1-3/4" (44 mm) High
- 1-15/16" (49 mm) Wide x 1-3/4" (44 mm) High
- 1-3/16"
- 1-3/16" x 22-1/4" (30 x 566 mm)
- 1-3/4" (44 mm) Wide x 1-15/16" (49 mm) High
- 1-3/4" (44 mm) Wide x 1-3/4" (44 mm) High
- 1-3/4" (44 mm) Wide x 1-3/4" (44 mm) High (Each Plate)
- 1-3/4" x 1-1/4" (44.5 x 32 mm)
- 1-3/4" x 22" (44 x 59 mm)
- 1-3/4" x 6" (44.5 x 152.4 mm)
- 1-3/8" x 22-1/2" (35 x 572 mm)
- 1-5/8" (41 mm) Wide x 13/16" (21 mm) High
- 1-7/8" x 21" (48 x 533 mm)
- 1.9 inch
- 1"
- 1" (25 mm)
- 1" (25.4 mm)
- 1" (25.4 mm) Ribbed
- 1" x 17-3/4" (25.4 x 451 mm)
- 1" x 2" (25 x 51 mm)
- 1" x 23-1/4" (25 x 591 mm)
- 1/2
- 1/2 oz.
- 1/2" (12 mm)
- 1/2" (12.7 mm)
- 1/2" (12mm)
- 1/2" x 3/4" (12.7 x 19 mm)
- 1/2"-13 x 1-1/2" (38 mm)
- 1/2"-13 x 1-1/4" (32 mm)
- 1/2"-13 x 1" (25 mm)
- 1/2"-13 x 3/4" (19 mm)
- 1/4
- 1/4-20
- 1/4" (6 mm)
- 1/4" (6 mm) Round
- 1/4" (6.3 mm)
- 1/4" x 3/8" (6.3 x 10 mm)
- 1/4" x 5/16" (6.3 x 7.9 mm)
- 1/4"-20
- 1/4"-20 x 1-1/2" (38 mm)
- 1/4"-20 x 1-1/4" (32 mm)
- 1/4"-20 x 1-3/4" (44.4 mm)
- 1/4"-20 x 1" (25 mm)
- 1/4"-20 x 2-1/2" (64 mm)
- 1/4"-20 x 2" (51 mm)
- 1/4"-20 x 3/4" (19 mm)
- 1/4"-20 x 36" (914 mm)
- 1/8"
- 1/8" (3 mm) - 3/16" (5 mm)
- 1/8" x 1/4" (3.2 x 6 mm)
- 10 1/2" (L Bracket)
- 10-1/2" x 12-1/4" (267 x 311 mm)
- 10-24
- 10-24 x 1-1/4" (32 mm)
- 10-24 x 1-5/8" (41 mm)
- 10-24 x 3/4" (19 mm)
- 10-24 x 5/8" (16 mm)
- 10-32
- 100 g
- 11/16
- 12-24 x 1-1/2" (38 mm)
- 12-24 x 1/2" (12.7 mm)
- 12-24 x 3/4" (19 mm)
- 12.8mm
- 12" (305 m)
- 12" (305 mm)
- 12" x 10" (305 x 254 mm)
- 13/16" (20.6 mm) Ribbed
- 14 x 32
- 14" (356 mm) Assembled Length
- 18 Inches
- 18-1/8" (460 mm) x 10" (254 mm) x 12-5/8" (321 mm)
- 18" W (457 mm) x 24" H (610 mm)
- 2 in sq (50 mm sq)
- 2-1/2" (64 mm) Wide x 2" (51 mm) High
- 2-1/2" (64 mm) x 2" (51 mm)
- 2-1/2" x 1/16"
- 2-3/4" (70 mm)
- 2-7/8" x 4-5/8" x 1-7/8" (Junction Box)
- 2.5 mm
- 2"
- 2" (51 mm) Wide x 2" (51 mm) High
- 2" (51 mm) x 2" (51 mm)
- 2" x 1-1/4" (51 x 32 mm)
- 22-1/8" (562 mm) x 10-1/16" x 12-5/8" (562 x 178 x 184 mm)
- 24
- 24" (610 mm)
- 241" (6.12 m)
- 28" Tube Length
- 29" Tube Length
- 3 x 21" (76 x 533 mm)
- 3-1/2"
- 3-1/2" x 3-1/2" (89 x 89 mm)
- 3-15/16" (100 mm) Wide x 1-3/4" (44 mm) High
- 3-3/4" (95.3 mm) x 2-3/16" (55.6 mm)
- 3.0 mm
- 3" x 18" (76 x 457 mm)
- 3" x 24" (76 x 610 mm)
- 3/16
- 3/16" (4.7 mm)
- 3/16" (4.8 mm)
- 3/16" (5 mm)
- 3/4
- 3/4 Square
- 3/4" (19 mm)
- 3/4" (20 mm)
- 3/4" x 1" (19 x 25.4 mm)
- 3/4" x 3/4"
- 3/4" x 3/8"
- 3/4" x 6-7/8" (19 x 175 mm)
- 3/8
- 3/8 x 7/16"
- 3/8" (10 mm)
- 3/8" (10 mm) Round
- 3/8" x 21" (9.5 x 533 mm)
- 3/8" x 3/8" (10 x 10 mm)
- 3/8"-16
- 3/8"-16 x 1-1/2" (38 mm)
- 3/8"-16 x 1-3/4" (44.5 mm)
- 3/8"-16 x 1" (25.4 mm)
- 3/8"-16 x 3/4" (19 mm)
- 30 lb (13.61kg)
- 31" Tube Length
- 32" (813 mm) x 80" (2032 mm)
- 33" (838 mm)
- 34-1/8" (968 mm) x 17-5/8" (448 mm)
- 35" Tube Length
- 36" (914 mm)
- 36" (914 mm) x 80" (2032 mm)
- 36" Tube Length
- 36" x 80" (914 mm x 2.03 m)
- 36" x 84" (914 mm x 2.13 m)
- 37" (940 mm)
- 39" (991 mm)
- 39" Tube Length
- 4-1/16" (103 mm) Wide x 2" (51 mm) High
- 4-1/16" x 2"
- 4-1/2" x 4-1/2" (114 x 114 mm)
- 4"
- 4" x 106" (102 mm x 2.69 m)
- 4" x 132" (102 mm x 3.35 m)
- 4" x 2-7/8" (102 x 73 mm)
- 4" x 24" (102 x 610 mm)
- 4" x 4" (102 x 102 mm)
- 4" x 64" (102 mm x 1.63 m)
- 42" (1.07 m)
- 45" (1.14 m)
- 48" (1.22 m)
- 48" (1219 mm)
- 48" x 78" (1219 x 1981 mm)
- 5 Gallons (18.9 l)
- 5 Gl.
- 5"
- 5" (127 mm)
- 5" (127 mm) Wide x 2" (51 mm) High
- 5" x 5" (127 x 127 mm)
- 5/16
- 5/16" (7.9 mm)
- 5/16" (7.9 mm) Round
- 5/16" (8 mm)
- 5/16" x 5/16" (7.9 x 7.9 mm)
- 5/16"-18
- 5/16"-18 x 1-1/2" (38 mm)
- 5/16"-18 x 1-1/4" (32 mm)
- 5/16"-18 x 1-3/4" (44.4 mm)
- 5/16"-18 X 1" (25 mm)
- 5/16"-18 x 2-1/2" (64 mm)
- 5/16"-18 x 2" (51 mm)
- 5/16"-18 x 3" (76.2 mm)
- 5/16"-18 x 3/4" (19 mm)
- 5/8
- 5/8" (16 mm)
- 5/8" To 1 1/4" Brad Nails
- 54" (1372 mm)
- 55 Gallon (208 l)
- 56-1/2" (1.44 m) x 26" (660 mm)
- 6 x 1-1/2" (38 mm)
- 6 x 1" (25 mm)
- 6 x 2" (51 mm)
- 6 x 24 ( Shelf Size )
- 6 x 3/4" (19 mm)
- 6-1/2" x 6-1/2" (165.1 x 165.1 mm)
- 6-32
- 6"
- 6" (152 mm)
- 6" Center-To-Center
- 7 1/4" (Z Bracket), 10 1/2" (L Bracket)
- 7-1/2 x 4 x 2-1/2
- 7-1/2 x 6 x 2-1/2
- 7" (178 mm)
- 7/16
- 7/16" (11 mm)
- 7/8"
- 72"
- 72" x 80" (1.83 x 2.03 m)
- 8 x 1-1/4" (32 mm)
- 8 x 1" (25 mm)
- 8 x 3/4" (19 mm)
- 8 x 5/8" (16 mm)
- 8 x 9/16" (14.3 mm)
- 8-32
- 8" (203 mm)
- 8" Center-To-Center
- 9" (229 mm)
- 9" x 11-3/4" (229 x 299 mm)
- 9/16
- 9/16" (14.3 mm)
- Approx Size: 3" x 6" x 7 1/2"
- Cut to usable pieces
- Extra Large
- Fits All Slotted Hard Hats
- Large
- M14-2.0 x 20 mm
- Medium
- One Size Fits All
- Small
- Weight ; 1 lb (454g)
Showing all 4 results
CRL 1563004 3/16″ Corner Protectors – 100
$0.00 – $66.30
These CRL Corner Protectors are designed to protect glass and mirror edges during shipping, handling or storing. The black, polyethylene resin plastic Corner Protectors…
CRL L24EUR0 24″ Euro Style Phenolic L-Square
$65.52 – $583.98
The CRL Euro Style L-Square makes square placement and repositioning of the square faster, by eliminating the brace. The Euro L-Square does not need…
CRL M39363 10-24 and 10-32 Nosepiece for 39300
$5.93
This replacement nosepiece works with the CRL catalog number 39300 Thread Setter Tool..…
CRL WS377DV72 72″ Extruded Dark Bronze Anodized and Nylon Brush Door 5/8″ Bristle Weatherstrip
$36.23 – $127.25
This CRL Extruded Aluminum and Nylon Brush Door Sweep is designed to be applied to the "stop" perimeter of a frame to prevent energy…
