& WEAR- - It is made of high quality diamond and resin which features fast grinding, good flexibility, and wear-resistance. It polish surfaces to their glossiest without causing damage. This disc takes one-piece nylon bayonet. It comes with a screw design that you can tighten directly. The design is safe and stable. LONG-LASTING PERFORMANCE - you can get the quickly and efficiently without having to worry about needing to replace the disc too often. Wet and dry polishing is available by this disc. UPGRADE CONNECTOR - Unlike the traditional sticky disc that may fall off causing the grinder speed should not be too fast. WIDE RANGE OF STONE PROJECTS - They are perfect for all solid materials such as , Concrete, Marble, Stone, Tiles, glass etc. Ideal for counter-tops, tabletops, and splash-backs, and any other job for residential, industrial floors., Manufacturer: Hfourhnik