... 3. Plastic cover, with strong sustaining capacity, fit for heavy duty grinding. The plastic cover grinding wheel, different ... and toughness of the support, unbreakable, high-speed European standards for high-intensity angle grinder.5. Abrasive cloth produced ... .ZA.CSynthetic ResinConvex/flatGlass Fiber/Plastic It used for Regular steel.Stainless steel,Cast iron,ordinary carbon ...