Description: Work WET for stone, glass, ceramics, crystal, ceramic stone, concrete, metal, solar crucible of lapping and polishing. Sharp, wear-resistant and high efficiency. Size: 80 mm / 3 inch Grits: 300 Material: Resin, Diamond Thickness: 4mm Max RPM: 4500 Max Pressure: 3kg/cm2 Note: Please add water when you operate. Package Includes: 1x Diamond Polishing Pad
