Hole dia: 20mm
Diamond grit: #100 -#400 available, single side, double side available
Base thickness: 0.6/0.8mm
Diamond coating width: 25mm
Mainly used to polish superhard material, such as sapphire, glass, granite, marble and tile
Diamond Grinding Discs, Diamond Sharpening Stones, Diamond Knife Sharpener manufacturer / supplier in China, offering Wood Hand Diamond Knife Sharpener for Knife, Diamond Sharpener Stone for Knife, Diamond Straight Pitch File for Steel and so on.