The Kyocera micro drill is easy to use. This part has a #83 diameter. Designed for right hand cut applications. This micro drill comes with 2 flutes, with a 0.225 in length. To ensure compatibility with your tool, this item has a 0.1248 in straight/cylindrical shank. Another important consideration is the altin finish. The micro drill has a 118° point for hole making applications. Comes with a 0.1248 in shank. This micro drill is 1.500 in long and is made of carbide with an altin finish. The overall length measures 1.500 in. Has a 4-Facet point.