Description: grain: corse colour: dark gray cutting power: very agressive effect: matt and regular surface description: abrasive bar compound for all metals, specificly formulater to remove defects, milling or casting lines, sending process scratches or laser cut burns. it removes, flat or round down quickly, producing a flat and omogeneus surface. it is normally used with panmil or pan-nat clothes wheels. packaging: bars (briks of 800-1000 gr).