Hard to tear because it uses a strong cotton as a base material and optimum for rust proof ruggedness, old paint peeling, especially by hand sharpening of metal base and finish polishing.Grain size P1000/P1200 is the finest grain size of the glue cloth sheet in the manual field.If you cut it you can also install it on sander.Can not use with water on.Vehicles, ships, structural steel, metal furniture, steel furniture and equipment etc.Rust removal, dirt removal, burr removal.Break-in polishing of base.Polishing before painting, finish polishing.Grain Size (P):120W x L (mm):230 x 280Abrasive Grain: Alumina Abrasive