Diamond point bits that, if used by your dentist would send you through the roof. The assortment of bits includes cylinders, cones (points), balls and a couple of special shapes all in a variety of sizes. This set of (10), each has a 1/8" dia. shank and is about 1-3/4" long OA, with larger size bit heads. Both come in plastic cases. A craftsperson's delight!