Package: 2 x Grinding Wheels, Grinding Wheel Diameter: 125mm, Spindle Diameter: 22.23mm Segment Width: 5mm, 2 x 20mm Spindle Adapters - Compatible with all angle grinders with M14 threaded spindle. High-quality Material: Our 125mm diamond grinding wheel has a high-quality diamond coating, which not only makes the working process quicker and easier, but also ensures unsurpassed durability. It can help you smooth out the roughness and unevenness of your concrete surface. We believe these two grinding wheels are more than enough for your daily household and DIY projects. Heat Dissipation Hole: The silent heat dissipation hole design not only dissipates heat, but also reduces damage to the machine. EXCELLENT BALANCE: Our 125mm diamond grinding discs are highly balanced to prevent vibration during grinding. Use: Grinding wheels are generally used for grinding marble, granite, quartz, artificial stone and various ceramic products, as well as repairing and polishing cement, concrete and