Pferd Policap® Abrasive Cap, Seamless Universal, 1/2 in Diameter Maximum, 60 Grit, Coarse Grade, Resin Bond, Cylindrical Shape, Shape Code: Shape A, 16000 rpm Maximum, Aluminum Oxide Abrasive.Cylindrical shape seamless abrasive caps with aluminum Oxide grain. For universal use on steel materials (hardened, tempered, non-hardened). Specially developed for specific tasks, e.g. In tool and mold construction and for appropriate repair work. Also suitable for working on plastics, wood and filler in model making. Pferd POLICAP® 46065 Seamless Universal Abrasive Cap, 1/2 in Max dia, 60 Grit, Coarse Grade, Aluminum Oxide Abrasive