GLADFRESIT Electric Drill Grinding Wheel, Grinding Wheel Adapter and Grinding Stone for Drill, 85mm OD 10mm ID for Metal Cast Iron Wood Matte Polishing(White)

【Size】Grinding Wheel Size: 85mm Overall Diameter, 10mm Inner Diameter, Connecting shank diameter: 8mm 【Application】Suitable for grinding cast iron, brass, rubber, plastic, wood, ore, etc. 【Before Grinding】 Check that the screws are tightened and the drill chuck is tightened to ensure that the power supply is safe. 【When Grinding】wheel in water for about 3 minutes to make the metal more delicate. And the drill should be clockwise rotation low-speed rotation 【Precautions】Because the grinding wheel is relatively brittle courier transport will inevitably cause the edge of the grinding wheel bumping there may be a slight mutilation but does not affect the use.