Special Triton coating for strengthened diamond coating60% diamond grain exposure for fast cutting Packing:5/Pack Product Features Specifications Usage Instruction – Pure natural diamonds with larger exposure of each diamond crystal – Uniform diamond coating,including the tips – Less heat development – Faster cutting – Available as a blister pack within a sleeve – Color-coded shank for easy identification Grit: Super Coarse Size(1/10mm): 037 Diameter(mm): 3.7 Length(mm): 1.2 Total Length(mm): 19 LWH(mm): 1.2 Shape Number: 909-037SC Shank Type: Friction Grip Tip Type: Donut Band Color: Black