Milescraft Shelf Pin Jig 1343 Woodworking SetIncluded drill bits create both and 5mm shelf pin holes Clear body construction helps reduce errors and provide a clear working environment Standard 32mm spacing between each hardened metal guide bushing Detachable fence can be changed to provide either 37mm or 64mm setbacks Convenient centering notches allow for easy alignment and 5mm indexing pins allows jig to be repositioned to create unlimited series of holes