CLR85 - 80 Grit Diamond Bur - 3/32" Shank (Made In USA) - Rounded Cylinder - Approximately 6.75mm diameter x 13mm head length Rounded Cylinder - Approximately 6.75mm diameter x 13mm head length 80 Grit 100% Natural Diamond (Not Synthetic), U.S. Made - High Quality - Durable Great for grinding or carving all types of stone, glass, tile, wood, and more Great for making marble or other stone sculptures and carvings. Works best for bulk removal and rough cutting