Depth Collars and Sets - Southeast Tool SESC-78; 7/8 Inside diameter, 1 3/8 Outside diameter, 9/16 Length, 5/16-18 Set screw. Designed for use with drills and counterbores. Features collars with set screws which lock into the drill flute or bit surface. Surface finish either zinc-plated, or black oxide to prevent rusting.
WARNING: Cancer and Reproductive Harm—www.P65Warnings.ca.gov