Grit difference & scope of use. Weight:approx:5g/pc (2pcs=10g). W0.5 10000# Mirror polishing. W40 320# Coarse grinding and polishing. W28 400# Ordinary polishing. W10 1000# Ordinary polishing. W20 600# Ordinary polishing.
Grit difference & scope of use. Weight:approx:5g/pc (2pcs=10g). W0.5 10000# Mirror polishing. W40 320# Coarse grinding and polishing. W28 400# Ordinary polishing. W10 1000# Ordinary polishing. W20 600# Ordinary polishing.