Arbor hole for easy mounting to grinder shaft.Fast, safe removal of surface contaminants.Excellent for cleaning welds, removing corrosion, rust, scaling, and blending.Great for removing paints, varnishes and sealants from difficult to reach surfaces., Constructed of large nylon filament, providing an open, non-loading surface.Utilizes coarse silicon carbide grain for rapid removal of surface contaminants, while producing fine finishes.