This replacement wood stock latch makes it legal to use a quick detach wood stock on your semi auto Uzi carbine. It replaces the factory latch and spring with a new latch that uses a socket head screw to tighten the latch. There is no permanent modifications to your Uzi, wood stock or hardware. Simply remove the factory latch and install the replacement latch. This is just the new latch and the tightening screw it does not come with allen wrench or any stock parts.