Description of General Tools S838: Efficient and Durable 16 Inch 2 Inch Solution for All Your Needs
For use on twist drill bits or brad point drills to prevent excessive drill bit penetration. Positive depth control assures exact hole depths for multiple drilling jobs; essential among woodworking tools. Each drill stop is finished with a black oxide finish and constructed of cold rolled steel. The convenient set includes 6 sizes of drill stops; 3/16, 1/4, 5/16, 3/8, 7/16 and 1/2 inch diameters. Hex wrench is included for tightening the stop precisely on the drill bit.