The belt grinder attachment can be pivoted on the corresponding drive system or handpiece, allowing flexible adaptation to each individual work situation. Belt grinder attachment arm with conical guide roller (range 1 mm) and roller size 0.35" x 0.98 for belts with a belt length of 20-1/2" and a belt width of 1/8", 1/4", 3/8", or 1/2".