High Quality Materials: The diamond grinding wheel made of imported diamond sand particles, large particles, large quantities, thick blade body, strong wear resistance, dry grinding without burning tablets. High concentration diamond ensures its durability and long service life. Unique Design: Diamond grinding wheel designed with 8pcs air holes and dome flange shapes, which makes it has higher chip removal and exhaust performance, not easy to heat up, reduces the wear of the grinding disc and makes grinding more stable. 8 Hole Dust Extraction: The pores of the diamond grinding discs help maintain and cool the cutting pattern and reduce wear to produce a more consistent diamond scratch pattern. Provides the optimal and necessary combination of allowable airflow and debris removal. Wet/Dry Use: The double row diamond disc with 5mm height double row segments is perfect for fast and smooth grinding. Can be used wet or dry, ideal to use in different situations. By adding water, you can get better effects during grinding. Wide Application: The masonry diamond grinding wheel provides very fast cutting action on concrete, granite, stone, marble, tiles, masonry and some other building materials to smooth uneven surfaces and eliminate flash. Specification: Item Type: Diamond Grinding Wheel Material: Emery Size: Diameter: 125mm; Aperture: 22/20mm; Tooth Width: 8mm*2; Tooth Thickness 5mm Color: Gold Quantity: 1 Pcs