Feature:_x000D_ _x000D_ Made of diamond, long service life. _x000D_ Good thermal conductivity can avoid burns, cracks of the workpiece, greatly improving the processing quality. _x000D_ This product has good grinding performance, which can reduce the grinding power and energy consumption. _x000D_ The diamond grinding wheel is generally suitable for grind of marble, granite, ceramics, glass, etc. _x000D_ The product is suitable for high-speed electric grinding wheel, pneumatic tools and other equipment. _x000D_ _x000D_ Specification:_x000D_ Material: Diamond_x000D_ Hole diameter: 22mm/0.87in_x000D_ Grinding wheel diameter: 100mm / 3.94in_x000D_ Grinding wheel body thickness: 2mm / 0.08in_x000D_ Gear thickness: 4mm / 0.16in_x000D_ Gear width: 14mm / 0.55in_x000D_ Maximum speed: 13600_x000D_ Weight: 217g / 7.7oz_x000D_ _x000D_ Package list:_x000D_ 1 * Diamond Grinding Wheel Cup_x000D_ _x000D_ Note:_x000D_ The actual product color may deviate from the photo due to light._x000D_ There may be a slight deviation in the measurement of product.