FEIHU Metal sanding belt kit. 100 x 915mm Sanding belts, zirconium corundum/brown corundum belt, 60/80/100/120/240/320 per 2 grit. Sander belts (12 pieces)[Packing] 12 Pcs sanding belt 100X915mm (2X 60 grit, 2X 80 grit, 2X 100 grit, 2X 120 grit, 2X 240 grit, 2X320 grit)Sanding Belt of different grades from rough to fine to meet your different polishing needs. [Use]: Polishing and polishing non ferrous metals (aluminum, titanium, brass, bronze, copper), ferrous metals (steel, stainless steel, cast iron, carbon steel) wood products are more durable. [Quality]: The abrasive belt is made of high quality