Stainless steel twisted drill suitable for use with any implant system. This drill is externally-cooled, and comes with its own adjustable stop. It measures 3.3mm in diameter, and the cutting section of the drill is 11mm in length (total length is 33mm). There are depth markings on the bur at 6, 8, 10, and 11mm. Contra-angle shank. Made in Japan.