4 x 21 Inch Calcined Aluminum Oxide Sanding Belts, 40 60 80 120 Assorted Grits Abrasive Belts for 4x21 Belt Sander, 16 Pack

【Assortment】16 pack 4 x 21 belt sander sanding belts (4 each of 40/60/80/120 grits) to meet your requirements for different application, 【Material】Premium calcined abrasive belt can be wear-resisting 30% than general aluminium oxide in metal polishing, 【Backing】X weight cloth waterproof resistant backing, plus an additive in the resin to resist loading, features good abrasion resistance, anti-clogging, 【Joint】Precision engineered bi-directional tape joint anti-clogging stearate to reduce heat and buildup resin over resin bonding for long belt life, 【Application】Suitable for wood furniture, stainless steel, metal, car parts, rust removing, hard metal surface grinding and polishing