4Pcs Diamond Sanding Blocks, 60#-400#Grit Tile Stone Ceramic Polishing Pads Premium Blocks. 4 Grit 60#-400#, Wet Dry Use, Ideal For Glass Marble Grinding.

【4 Colour-Coded Grit Grades】Includes 4 sanding blocks in 60, 100, 200 and 400 grit, colour-coded yellow, red, blue and green for fast grit identification. 【High-Density Diamond Coating】Features premium diamond abrasive coating on the surface, delivering fast, even material removal and consistent polishing results on hard surfaces. 【Comfortable Foam Grip Block】Soft foam backing fits snugly in the palm, provides a secure non-slip hold and reduces hand fatigue during extended sanding work. 【Wet & Dry Dual Application】Suitable for both wet and dry sanding and polishing; use with water for dust-free operation and a smoother, finer finish. 【Wide Material Compatibility】Works effectively on tile, ceramic, stone, marble, glass, concrete and porcelain, ideal for tiling, renovation and craft projects.