Features: -It is used to polish various rough surfaces of different angles, such as wood, metal material, etc-Scope of application: Gold and silver jewelry, clocks and glasses, Shoushan stone and other metal surface polishing.-Applicable to all kinds of mold surface and cavity processing , Polishing, jewelry and crafts more complex ultra-fine grinding, carving, polishing, etc.Color:Green ,Red,Black,YellowType:Sanding Polishing WheelModel: The Shank Diameter Of 3.0mmMaterial:NylonPackage Weight : 84 G / 2.96 OuncesPackage Dimensions (L*W*H) : 130*100*40 MM / 5.12*3.94*1.57 InchesRetail Packaging: No, No PackingPackage Include:1x 5pcs Red Grinding Head1x 5pcs Green Grinding Head1x 5pcs Black Grinding Head1x 5pcs Yellow Grinding Head