Harris Products Group 10 yds Mesh Cloth 180 GritHarris open mesh cloth is grain bonded on both sides for tight, leak proof solder joints. This 180 grit abrasive mesh is constructed of silicon carbide, leaving a less gritty residue. It is completely waterproof. Lasts longer than sand cloth. Open mesh allows debris to fall through the screen, rather than building up on the surface Grain bonded on both sides open mesh cloth Fully waterproof Lasts longer than sand cloth Leaves less gritty residue