Premium Aluminum Oxide: Durable aluminum oxide grit provides faster cutting, long lasting and anti-static, anti-sticking - special anti-clogging stearate coating increases performance and durabilityDurable: The right material is used, the triangle sander sandpaper is equipped with a thick paper base, made of high quality alumina with abrasion resistant sand, the resin bonding system to high strength increases lifespanFacliment Change: Durable reverse makes changing sanding sheets easier, convenient and fasterDifferent Grit Sanding Triangles: This wood sandpaper includes 40/60/80/120/180/240 grit types. Can satisfy all polishing requirementsFunction: Suitable for grinding and polishing metal, non-metal, wood, rubber, leather, plastics, stone, glass and other materials. Very practical and effectiveProductZirconium Alumina SandpaperFeaturesThe self-gripping sandpaper backing with hook-and-loop closures allow for quick and easy removal and replacement.A special steat coating is designed to prevent clogging and loading and improve durability.The system of High-strength resin bond provides superior grain support.Pre-punched with 11 holes for uniform dust extraction, extending sanding life and increasing productivity.< p>Multi-Grit Sanding Triangles AssortmentSanding paper included 40/60/80/120/180/240 grit, 30 pieces of each grit, can maximally satisfy your polishing and polishing requirements. achieve good sanding effect from rough to fine.Specifications:Material: Zirconia Alumina SandpaperBack Technique: Hook and Loop Number of holes: 11 holesSize: 105 x 152 mmPackage includes: (180 pieces sanding sheets in total)30 x 40 grits< /p>30 x 60 grit30 x 80 grit30 x 120 grit30 x 180 grit30 x 240 grit