40 pieces Z/A 577F Abrasive Sanding Belt 330x10mm/457x13mm/520x20mm 40# 60# 80# 120# for Knife Grinding expansion roller Nylon Belt x 1 pc

Nylon Belt x 1 pc --- Brown P150 /Red P240 / Blue P400 / Grey P600

3mm-6mm thickness is ideal for slots cleaning and polishing

Brown non-woven abrasive belt:  150# for stainless steel wire drawing

P120  ( Optional

6004 installed 20mm ----  Wheel installed by bearings 6004 with 20mm inner hole ( bearings OD42*ID20*TH12)

40 pieces Z/A 577F Abrasive Sanding Belt 330x10mm/457x13mm/520x20mm 40# 60# 80# 120# for Knife Grinding expansion roller Nylon Belt x 1 pc330*10mm Z A 577F Abrasive Sanding Belt Size: 330x10mm 457x13mm 520x20mm Grit: 40#, 60#, 80#, 120# Joint type: Butt joint Feature: Excellent self sharpen, wear resistant. High heat dissipation performance, ideal for grinding of hard metal like knife Application: Non alloy steel: common structure steel, free cutting steel, heat treated steel, carbon tool steel etc. Alloy steel: gate steel, heat resistant steel and alloy steel, non magnetized steel,