Model
Grit
Usage
L140 T1
26# 36# 46# 60# 80# 100# 120# 180# 150# 220# 240# 320# 400# 600# 800# 1000# 1200# 1500# 1800# 2000# 2500#
Rough and medium grinding, fine and last polishing
L170 T2