DescriptionMade of steel material, provide great polishing effect, mainly used for metal surface cleaning, derusting, grinding, deburring, polishing, stripping residue. Can be widely used in the mould Automobile, aviation, machinery, ship building, construction, petroleum, chemical industry, electronics.Feature- Color: Silver. - Material: Steel. - Size: 7.5 x 7.5 x 4 cm./2.95x2.95x1.57Inches - Bore diameter: 16mm - Diameter: 100mm - Made of material for lasting use. - Removing burrs, rust, dust, and the oxide layer from gold and silver jewelry, clock, glasses, etc - Sponge-like consistency enables them get into unusual curves or angles, polishing and grinding all kinds of rough surface - Widely used in metal surface cleaning, derusting, polishing, grinding, dusting, and stripping residue. - Suitable for mould Automobile, aviation, machinery, ship building, construction, petroleum, chemical industry, electronics.