ITEM NAME:25mm 1" Diamond Grinding Head Mounted Point Burrs Bit Rotary Tool xzs Descriptio n Material: Brazing alloy Color: 25mm Size: full length 60mm radius 25mm Weight: 82.8g Features: 100% Brand new, high quality, high hardness, wear resistance, long service life. Diamond sand coating, uniform particles, not easy to drop sand, good grinding effect. Suitable for use in grinding the edge of glass, marble, jewelry or rock. Can be installed on the electronic grinder, hanging mill and hand electric drill (not included here). Add some water when using it can improve the life. Product list: Diamond grinding head alloy grinding head 25mm*1 We offer you what you need! 25mm 1" Diamond Grinding Head Mounted Point Burrs Bit Rotary Tool.Product list: Diamond grinding head alloy grinding head 25mm 1. Suitable for use in grinding the edge of glass, marble, jewelry or rock. Color: 25mm. Size: full length 60mm radius 25mm. Can be installed on the electronic grinder, hanging mill and hand electric drill (not included here).