Triangular non-porous sandpaper $ 4.36 Material: Alumina Granularity: 40-400 (mesh) Back base: paper base Size: 808080 (mm) Purpose: polishing Series: Flocking sandpaper Length: 80mm Abrasive: brown corundum Model: 40#,60#,80#,100#,120#,150#,180#,240#,320#,400#