Rule of mechanical replication: "Take something apart and put it back together enough times and you'll have sufficient parts to construct an entire new unit"
and....and.....screw drivers.Should have a sharp pencil added to the picture.
Yup....that's how you build up stock.I have enough leftover AN hardware and rivets to build a second plane. When you're making small orders from Aircraft Spruce and you need that AN3-10A bolt, you order four of them because they're cheap. Pretty soon...hardware explosion.