S/R/T type sanding disc Item No. SA28010 S/R/T type sanding discItem No. SA28010 -Size:25mm\28mm\50mm\75mm etc.-Grit:40# 60# 80# 120# etc.-Max r.p.m. 24000, 2000, 15000 -Material:Aluminum Oxide, Silicon Carbidge, Zirconia Alumina, Non-woven-Allows access to small area Application: Stainless steel, steel, Aluminum High exquisite Polishing ....More information please contact us......