The wavy structure of the non-woven abrasive material permits seamless brush matting of large surfaces.4" x 4" POLINOX® Non-Woven Finishing Drum - 3/4" AH, PNG, A/O 280 Grit Made of several wavily arranged strips of non-woven abrasive material, wound around a core..
Heavy-duty power tube brush with M-BRAD® nylon abrasive filament, excellent for conditioning internal bore holes as well as cleaning threads and burrs at cross-holes..