... 16#-1000# 4.For Wall, Metal, Wood, Marble, Stone,etc Sand Paper Aluminium Oxide Abrasives JZsander is short for Chongqing Jiazhuang Environmental ... features, it has a good market potentiality. We also supply sand papers, sand paper grits range is rather wide, from 16# to 1000 ... # Kindly Reminder: As for the drywall sanding, sand paper grits chosen below is for your reference 16# , 36# , 40 ...