... Wall, Metal, Wood, Marble, Stone,etc Sand Paper Aluminium Oxide Abrasives JZsander is short for ... Sander from us is patent, dust free, portable, high efficiency, environmental friendly and labor saving, ... a good market potentiality. We also supply sand papers, sand paper grits range is rather wide, ... 40# , 40# , 80#, 120# these grits are used to sand outer walls, 180# , 240#, 320#, 400#, 600#, 800# ...