These PROFESSIONAL-GRADE DIAMOND ABRASIVES are especially designed for super fast cutting, high precision and long life. Great for grinding, sanding and polishing stones, all in one set. 
They come already MOUNTED on their respective Backpads. 
Available in 3" and 4" Diameters in the following grades: 60, 80, 320 and 600 grit and 4-GRADE COMBO SET
 
With proper use, you can expect an extremely long life and durability.
