Durable Aluminum Oxide: The 1x30 inch sanding belts are made of good quality aluminum oxide particles, knife sharpener belt has a high hardness and can remain sharpening for a long time. Sander belts will not "shed a lot of sand and fibers" during use, reducing the frequency of replacement. Strong And Smooth Seam: The aluminum oxide sandpaper interface adopts flat joint technology. The smooth and flat joint will not vibrate or jump during the sanding process, and can provide a more uniform and smoother sanding effect. Widely Used: The sanding abrasive belt is mainly used for metal working, removing rust, paint, welds, burrs on cutting edges, oil removal, etc.; It can also be used for mirror polishing of stainless steel kitchenware and watch cases, and can also be used to polish rough wood; provide grinding tools for woodworking, aluminum alloy, stainless steel, steel, non-ferrous metals, glass, plastic, stone, etc. Note: Before purchasing an abrasive belt, please carefully check the interface, size, grit number and other information of the abrasive belt.