General Tools Precision Drill Guide #3638 - for 3/8” and 1/2” Power Drills

ADJUSTABLE: Adjusts from 0 to 45 degrees in 5-degree increments in either direction of vertical drill position. POSITIVE STOP: Built-in depth stop for accurate drill depth. WORKS WITH DOWELS: V-groove for positioning round stock, pipe or tubing. A slide lock facilitates sanding and buffing. STABLE: Anchoring pins to hold the guide securely in place on flat surfaces, narrow edges or large tubing. DRILL EFFORTLESSLY: Updated linear bearings allow for a smooth guided drilling experience.