... High quality Aluminum Oxide emery cloth, fibreglass backing. Rapid stock removal. For weld grinding, surface preparation, blending, cleaning, deburring. Fitting to ... fiber-glass and steel backing,and bonded with the abrasive cloth closely,more flex and stronger,and consistent finish.Suitable ... weld, edges, joints and rust, etc.3).Flat emery cloth wheel mounted on a portable angle grinder to meet the ...