4 inch , Dry Cut Diamond Wheel, 20 MM, .625 inch , .875 inch Arbor, For Cutting Brick, Block and Tile, Fast Shallow Cutting, Matrix Design Minimizes Chipping, Steel Body Delivers Constant Depth Of Cut and Advanced Diamond Matrix For Longer Life and Enhanced Material Removal, Lasts Up To 100 Times Longer Than Abrasive Blades, Used On 4 inch and 4.5 inch Grinders, Carded.
