ITEM NAME:1Pc 4 Inch Concrete Diamond Wheel Green Diy Grinding Disc For Cutting Marbl X5R8 1Pc 4 Inch Concrete Diamond Wheel Green Diy Grinding Disc For Cutting Marbl X5R8 Shape: Dish Abrasive: Diamond Bonding Agent: Other Viscosity: Grinding Cup Wheel Model Number: Diamond Wheel Specification: Brand new Size(diameter): 4 inch/100mm Material: Alloy Inner hole diameter: 22mm (without metal ring) Inner hole diameter: 16mm (with metal ring) Thickness of diamond segment: 5mm Color: green High speed of grinding, long service life Can use for DIY grinding and polishing wood, metal and mold Used on high-speed electric grinder and pneumatic tools This Diamond Wheel generally applicable to the grinding of marble, granite, ceramic, artificial stone and glass, etc. especially suitable for the building decorated with concrete wall, marble floor, grinding edge of granite plate, chamfering and arc grinding 4 inch Concrete Turb Diamond Grinding Cup Wheel Disc Masonry Stone Cutting Tool For Angle Grinder Thicker wide gear and rivet welding creats a higher speed of grinding and a longer service life. Wheel features and air holes designed to help maintain a stable cutting pattern and reduced wear. Lightweight and vibration-free design greatly reduce operator fatigue. Suitable for grinding on marble, tile, concrete and rock. It can fit for the angle grinder of 100 and 125. Package included: 1 x diamond wheel