1.2 x 6.0mm Cylinder 150 Grit Grit Diamond Bur - 3/32 inch shank 1.2mm Diameter by 6.0mm long Cylinder Shaped Diamond Bur 150 Grit 3/32 inch shank Recommended Speed: 20,000-35,000 RPM Resistant to: acid, alkali and heat Manufacturer specializes in products for the manicure and nail industries High quality burs for a wide variety of applications