Shelf Pin Drill Guide 5 mm Align-Rite Tool DG-103 0 reviews 5 mm drill bushings on 32 mm centers DG103 Features: Made of anodized aluminum . Replaceable hardened steel drill bushings. djustable stops for custom drilling as needed. Bar length is 34 inches long and has 25 drill bushings. Router, Drill bit, Drill stop, Drill not included.