Specifications:Double sandblasting edge design (5mm/0.2" segment), chip smoother, sharper cutting, longer life.Vibration-free design greatly reduces operator fatigue and is more efficient than traditional abrasives.Used for dry and wet grinding.Applicable models: polishing machine, angle mill, etc.Cutting objects: stone grinding, asphalt grinding, ceramic grinding, etc.Item Name: Grinding WheelMaterial: DiamondFeatures: Portable, Durable, Grinding WheelOuter Diameter: 115mm/4.53", 125mm/4.92", 180mm/7.09" (Approx.)Internal Diameter: 22.23mm/0.88" (Approx.)Block Thickness: 5mm/0.2" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Grinding Wheel