X-treme Pro R928 pink hight performence flap discs, with polycotton cloth backing and ceramic grain, provide and improved cut rate and product life compared to both premium zirconimu discs and ceramic products in the market, thanks to its high density configuration. These discs also feature an additional supersize layer for cooler cutting, reducing heat generation during use for better part quality first and every time. X-Treme Pro R928 is ideal for fast grinding when used at medium pressure on stainless steel or harder metals.