Dimar DIM-202-CS Dicount Adjustable Countersink

One countersink fits all drill diameters from 1/8" (3.0mm) to 9/32" (7.2mm). Perfect grip of the two Cutting Teeth over the drill by means of screws, allowing easy setting of drilling and countersink depth in ONE PASS. Two carbide tipped cutting teeth for clean cuts and longer tool life. Each countersink supplied with its key in an attractive blister pack with sliding card. Recommended drills for ultimate performance use with DIMAR's machine Drills 205-D, metric or inch sizes.
Drill bit not included.

Install the 202-cs backwards on your drill, and you got yourself and Adjustable Drill Stopper for precise drilling depth, at no extra cost.