SHARP & WEAR-RESISTANT - It is made of high quality diamond and 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 surface materials such as Granite, Concrete, Marble, Stone, Tiles, glass etc. Ideal for counter-tops, tabletops, and splash-backs, and any other job for residential, industrial floors. SPECIFICATION Processing object: Stone, Tile, Glass Function: Trimming, Deburring Applicable models: 100-type angle grinder Tips: The product may be updated constantly, Due to Different Batches, The Actual Product May Have Slight Differences or Color Differences, Which Does Not Affect Use Colour:Photo Color Material:Diamond+Plastic Size:4inch 100MM Package Contents: 10x Stone Trimming and Polishing Disc Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.