CRL S4000B Aluminum Window Thumbscrew Lock – pack of 50

Save on your per unit cost by taking advantage of bulk packaging. Each bag contains 50 of the popular CRL Window Thumbscrew Locks. Made of heavy-duty zinc diecast housing, the locks secure your window in a closed or open ventilating position with the turn of a single thumbscrew. The mill finish blends in with your window frames. The lock makes it easy to have both security and ventilation. 50 locks per bag.