2pcs Diamond Sanding Grinding Discs, 4″ Grit 240 5/8″ Arbor Hole Flat Lap Wheel

Diameter: 100mm / 4″Grit Size: 240Arbor Hole Size: 16mm / 5/8″Thickness: 1.2mm / 3/64″Material: A3 SteelFinish: Diamond CoatedStyle: Only one side is coated with diamond.Package Content: 2pcs of grit size 240 diamond sanding grinding discsDescriptions:High-hardness materials that are difficult to grind can be ground with the diamond grinding disc, which can also sharpen dull metal engraving tools. With repeated use, its durability is comparable to multiple sheets of water sandpaper.The grinding wheel is electroplated with diamond particles for excellent grinding results. Not easy to fall off, wear-resistant and durable, ensuring long tool life and reducing the need for frequent replacement.