Drill Tool - Drill Bit Split Ring Stop Collars, 7-Piece Set

These stop collars are of the "split-ring" design, which positively lock anywhere along the bit diameter. They work on both standard and brad point bits. Unlike set screw type collars that may skew or damage the bit, these units will not move after tightening.1/8", 3/16", 1/4", 5/16", 3/8", 7/16" and 1/2"

(Drill Bit Not Included)