K12 Diamond Bur Quantity in Basket: none Code: K12 Price: $11.00 Shipping Weight: 0.10 pounds GRIT:: 80 Grit 150 Grit 200 Grit 400 Grit 600 Grit Quantity: K12 - 1/2 inch diameter Knife Edge Wheel Diamond Bur availabe in 80 grit, 150 grit, 200 grit, 400 grit, & 600 grit.