SUNBURST 7/8" TC Knife-Edge DiscsNo matter what the material being worked, SUNBURST radial discs are the "absolute best" for finishing & polishing hard to access areas without removing detail or causing flat spots. The sharp, clean, specially treated ceramic abrasive grain imbedded throughout their thin flexible bristles enable them to work faster and last longer than rubber wheels, brushes, buffs and conventional sanders. SUNBURST radial discs generate minimal dust and heat and