ITEM NAME:Universal Grinding Machine Alloy Grinding Wheel Diamond Bowl Type Diamond R M6U3 Universal Grinding Machine Alloy Grinding Wheel Diamond Bowl Type Diamond R M6U3 High quality and brand new diamond grinding wheel. Grind car.Great resin bond for uncomplicated grinding operation with good material removal rates, while maintaining a low thermal influence on the work piece. Abrasive Grain: 320. Material: Diamond + resin binder.