I tried to take apart my BO Multi-plier for ease of cleaning, and I was stumped by the perfectly round holes in the pivot screws on the implement side. So, I took a 1/16" dia. wire nail and cut the tip off using hard-wire cutters. Then, I put the new flat end formed by the cut in the hole on top of the screw and hammered away at the nail. What I got is the end got smashed into the screw, enlarging and forming a perfect fit. Then I gripped the nail with another pair of pliers and twisted. It worked! Sorry, but I don't have a working digital camera.