1. Used for processing granite,marble,etc 2.Good softness,delightness and brightness Used for processing granite, marble, glass-ceramic, artificial stone, glazed title, polishing tile. Diameter(mm)Gritφ80φ100φ125φ150φ18050#100#200#400#800#1500#3000#BUFF0# (Black/White) or60# 150#300#500#1000#2000#3000#BUFF0# (Black/White)Tel: 0086-592-5551199