Tough, durable, long life,increased productivity and fracture toughness. Higher stock removal with less heat and loading. Color:Silver. Bottom stopper bearing keeps the bit from over cutting into the granite. Works great for grinding marble stones concrete tiles granite countertops edges profile half bullnose Using imported emery as raw material, German brazing technology, rough diamond, sharp and durable,It has high hardness, wear resistance and good impact resistance.Diamond is directly attached to the metal surface, directly friction objects when carving, carving sharp, effectively improve efficiency, reduce labor costs. Exclusively adopting the latest "Vacuum Brazed Technology,"hand profilers give you aggressive grinding action and longevity, without losing the shape of the profiler, unlike the Sintered profilers on the market. Colour:Silver Material:Metal alloy Size:12.7 x 64 x 48mm Package Contents: 1 * Brazing diamond grinding head cutter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.