diameter: 3" 4" 5"  6" 7"  8" 10"  12"
grit:30# 50# 60# 100# 150# 200#  300# 400#  500#  800# 1000#
application: suitable for grinding and polishing marble, Granite ,concrete's surface .and
for Levigation Machine from middle grinding, finely processed to polishing .