MICHENG 15 PCS SANDING BELTS IN 80120150240400 GRITS - Ideal helper for DIY projects. HIGH COST-EFFECT & HIGH-PERFORMANCE SANDING BELT SET: - Set of 15, 3 x 80 grit, 3 x 120 grit, 3 x 150 grit, 3 x 240 grit, 3 x 400 grit, more choices for your different needs. - Made of high-quality open aluminum oxide grit and strong cloth backing, heat resistant, moisture resistant and durable. - 3 x 21 inch, applicable for all kinds of sanders and grinders. Ideal for wood, aluminum, non-ferrous metal, plastic and fiberglass polishing. - Widely used in metallurgy, engineering, shipbuilding, light industry, leather, wood, building materials, textiles, etc. - Grain size marking on the back, easy to see, fine cut without grooves to treat large curved surfaces. HOW TO CHOOSE THE SANDING BELT? 80 - 150 grit: removes minor defects 240 - 400 grit: provides an ultra-fine finish The smaller the number, the coarser and less the grit; the larger the number, the finer and more the grit. SPECIFICATIONS: Material: Open Coat Alumina Grain Backing: Cloth backing Abrasive Grain: Aluminum Oxide Size: 3 x 21 inch Joint Type: Reinforced Flat Joint Color: Reddish Brown Grit: 80120150240400 grit Maximum linear speed: 50000 rpm Quantity: 15 pieces WHAT YOU GET: 3 x 80 Grit Sanding Belt 3 x 120 Grit Sanding Belt 3 x 150 Grit Sanding Belt 3 x 240 Grit Sanding Belt 3 x 400 Grit Sanding Belt To know more about the product, the packaging and return policy, please don't hesitate to contact us.