Shelf Pin Jig with 1/4" Bit Precision machined, clear acrylic templates. Drill both 1/4" shelf pin holes on perfect 32mm centers every time. Adjustable from 1/2" to 2 1/2" in from the cabinets edge. Use on laminated, veneered or solid materials without the fear of any tear out. Includes 1/4" drill bit.