this it a multi tool that is designed to aid in construction of maker-bots and rep-raps. i designed it to go along with the rep-rap self-replication because you can print the parts for a 3D printer but have noting to assemble it with. it is designed to fit the standard screw driver bits and can hold up to eight. 1. print2. turn one of the plier jaws and place it on the other so that the holes aline and bolt together with a m3 bolt and nut3. take the two handles and place each the holes at the open end inline the holes in the plier jaws so that the open sides of the handles are facing away from each other4. bolt the jaws on the the handles with one of the washers top and bottom do not over tighten any of the bolts as all the components have to rotatebolt the \"bit-dispensers\" to the remaining holes in the handlesenjoy