SE 823481TD Titanium Coated Assorted Diamond Burrs (20 PC.) Titanium-coated diamond burrs Assorted shapes All burrs with a 1/8" shank- compatible with most die grinders or rotary tools A versatile set for numerous projects with grits 150 Highly recommended for jewelers, lapidary use, hobbies, crafts, craft modeling, home repair, and more