Description Sia Abrasive 4581 siaramic Fibre Discs, engineered to redefine performance in grinding tasks. Designed with coarser grits for unmatched stock removal speed on unalloyed/low-alloyed steels, these discs boast a prolonged lifespan thanks to the shaped siaramic grain. Fast and rugged stock removal with regular surface quality Long lifetime Removal rate thanks to ceramic grit Aggressive initial sanding thanks to optimised sanding grain Uniform cutting performance Increased efficiency due to measurable time-saving Minimal effort required thanks to highly aggressive abrasive grit