Shape is regular with wider strength scope. mid-toughness,medium thermal stability and high impact resistance. Synthetic diamond powderFeature:Shape is complete with high purity,mid-toughness,medium thermal stability and high impact resistance.Suitable for cutting mid-hard granite and marble,cutting/drilling non-reinforced concrete and diamond dressing products.Size:30/40, 40/45, 45/50, 50/60, 60 ...