Assorted 10 pieces of tungsten carbide burr. They are in different shape likes sphere, cylinder or long nose, etc....... 1/8"(3mm) shank, 1- 3/4"(45mm) total length, 1/4" (6mm) head size. Produced by excellent quality material. Come with PVC case 4-pc. Set textile buffing wheels for Dremel The 4-pc. Set consists of a cotton, felt, leather and nylon polishing wheel. They are suitable for polishing metals and plastics. Can be used with most hand power tools, including Dremel, Proxxon, and many others. Technical data: Working diameter: 20mm Material: cotton, felt, leather, nylon Maximum speed: 28.000 1/min Shank diameter: 3 mm