SPECIFICATION Material: Resin Processing object: Stone, Tile, Glass Function: Trimming, Deburring Diameter: 80mm/ 3 inches 100mm/3.94inchs Thickness: 3.5mm/ 0.13inches Description SHARP & WEAR-RESISTANT - It is made of high quality resin which features fast grinding, good flexibility, and wear-resistance. It will polish surfaces to their glossiest without causing damage. UPGRADE CONNECTOR - Unlike the traditional sticky disc that may fall off causing the grinder speed should not be too fast. 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 job done quickly and efficiently without having to worry about needing to replace the disc too often. Wet and dry polishing is available by this disc. WIDE RANGE OF STONE PROJECTS - They are perfect for all solid surfacing materials such as Granite, Concrete, Marble, Stone, Tiles, glass etc. Ideal for counter-tops, tabletops,and any other job for residential, industrial floors. PACKAGE INCLUDES 1 * Integrated Stone Trimming and Polishing Disc