Product DescriptionGet straight, true holes without a drill press! Just pop a steel bushing into the plastic guide and your hand drill will bore perfectly perpendicular holes even on spheres and cylinders. Ingenious design also centers your drill bit on corners, a tough hole to start. Includes 6 bushings for 3/16", 1/4", 5/16", 3/8", 7/16" and 1/2" bits.
Drill Guide
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