1.Low costs for fast cutting 2.Smooth Surface after finished 3 ... sharp wear-resisting and the specifications completeIt is suitable for: aeronautical material, crystal, glass, quartz, gemstone, stones, tile, ... grinded such as molding, plane, cylinder, internal hole, furrow grinding and etc.Advantages: Good sharpness, high precision, not restricted ... /175×19/2420×8×810 diamond mental bond grinding tool