Thanks to innovative X-Technology, the 4570 siabite fibre disc brings you considerably cooler grinding with a long service life and a consistent cutting performance on stainless steel and mild steel. With new and unique X-Technology, an active cooling aid is applied directly to the top level, which enhances cooling and minimizes discoloration. Advantages Long lifetime Cool cut Uniform cutting performance Fine surface finish Applications Weld removal Removal of scale and mill scale Blending flaws Removing discoloration