A screw kit that every gun owner will want on his or her bench. The ideal companion to the Master Gunsmith Screw Driver Set. This new 277-piece kit is for the firearms owner and gunsmith. This set contains 12 each of 23 different "hard to find" screws that fit common applications in many guns. Screws are contained in handy storage kit and include tweezers. No gun owner should be without this kit.