Wright Products Inside Locking Latch is compatible with most out-swinging metal, wood or vinyl storm and screen doors 3/4 in. to 1-1/4 in. thick. The latch can be used on most storm or screen doors with 1-3/4 in. inch hole spacing. The inside latch lock mechanism is designed with a no lock-out feature that automatically unlocks when exiting to prevent accidental lock-outs. Wright Products has been supplying quality screen and storm door hardware for over 60 years.