Features: *Excellent performance: Diamond polishing discs do not damage the surface of objects, uniform grinding force, strong water resistance, high plasticity and good smoothness. Low grinding noise and less dust. *Widely used: It can be used to polish steel, plastic, fiber new products, stone, concrete and other surfaces. Polishing and processing complex surfaces and deep holes of various metals or non-metals, especially concave and convex surfaces and side grinding. *Instrument range: Compatible with commonly used electric or pneumatic 125 and 115 mm angle grinding with easily removable discs for cleaning and removing paint, rust and oxidized surfaces. *High quality material: With a fiber mesh as carrier, a resin elastomer is used to firmly attach the abrazine to the fiber mesh. When polishing this product at high speed, the abrazine will not come off and has a long service life. *It can save you a lot of time and effort Perfect for polishing the surface of various materials, removing rust and softening edges. Mainly engaged in auto repair and concrete workpiece polishing. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material:Elastic Resin Size:4.5 inch black polishing wheel 11.5*11.5*2.2cm. 5 inch black polishing wheel 12.5*12.5*2.2cm Package List: 1*Polishing Disc