Working procedure:
Step 1: 30#, 50 # for Aggressive coarse grinding
Step 2: 100 # for Coarse grinding.
Step 3: 200 # for Semi Coarse grinding
Step 4: 400 # for Soft grinding / medium polishing
Step 5: 800 # for Extra polishing
Step 6: 1500 # , 3000 # for Final polishing
Common specifications: