Metabo's new BFE 9-90 electronic band file for metal removal and deburring in hard to reach places offers 900 watts of power and features Metabo's Marathon motor with slim motor housing. The tool has a variable belt speed of 750-1770 ft/minute. The file also features die cast aluminum gear housing, toolless belt exchange, thumbwheel for easy speed selection and a grinding arm that swivels 270 degrees. The BFE 9-90 uses standard belts in widths of 1/4, 1/2 and 3/4 in. by 18 in. long. The sanding belt arm length is 3 1/2 in.