Material : Iron + Diamond + PVC ABS base  (Very smooth of the ABS plate . )

Size : 160x23x8mm Outer size /6.24"x0.8"x0.3" inch

Diamond plate size : 150x20x1.5mm /5.9"x0.78"x0.059" inch

Package including :  10 pieces diamond whetstone : 80#  200#   400#   500#  600#  800#  1000#  1500#  2000# 3000#