Size Grit Maxrpm Type 2? 36# 40# 60# 80# 120# 30.000 R S 3? 36# 40# 60# 80# 120# 25.000 R S Characteristics: Preminum Zirconia and Ceramic, Ideal disc for blending and finishing on ferrous metals where accessibility is a problem and the area is curved or profiled. Improved access to awkward areas Minimising the area to awkward areas Minimising the area to repair/work to reduce time spent on further finishing operations Flexibility for blending and finishing on curved surfaces, profiles and contours Quickchange locking system for convenient, quick changeover of discs