The National hardware lock is most commonly used on metal and fiberglass doors and its handle has a peg on each side for installing the screws from the inside of the door. Suitable for use with model 7645 swivel lock or 7654 snap lock. Used for metal or fiberglass doors. Chrome finishDie Cast Handle and Steel ShaftLocking T-HandleSuitable for use with model 7645 swivel lock or 7654 snap lockIncludes (2) No.10 - 3/4 in phillips pan head machine screws and (1) retainer washerFor metal or fiberglass doors