20 Pack 4 x 21 Inch Sanding Belts, Belt Sander Paper (5 Each of 40 80 120 240 Grits), Aluminum Oxide for Woodworking Polishing, Compatible with Wood Aluminum Non-Ferrous Metal Plastic Fiberglass

Product Features

• Comprehensive Assortment: 20 PCS belt sander paper 4x21 (5 each of 40/80/120/240 grits) to meet your requirements for different applications
• Universal Specification: Fit all standard belt sander 4x21 for convenient compatibility with your existing tools
• Premium Durable Material: Made from premium open coat aluminum oxide grain, features good abrasion resistance, anti-static properties, resist moisture and heat
• Firm Belt Interface: Precision engineered bi-directional tape joint anti-clogging stearate to reduce heat and buildup resin over resin bonding for long belt life
• Versatile Application: Suitable for Sanders and Grinders to applications including wood, aluminum, non-ferrous metal, plastic, and fiberglass
• Multiple Grit Options: Four different grit levels ranging from coarse 40 grit for heavy material removal to fine 240 grit for smooth finishing and polishing work
• Professional Quality Construction: Features open coat design that prevents clogging and extends belt life while maintaining consistent cutting performance throughout use