Black amp decker39s really useful power file is a great power tool for taking care of all kinds of sanding jobs especially where access is awkward and those difficult to reach areas fitted with a 13mm wide belt and a 120mm long arm this powerfile is particularly useful for sanding internal apertures and mortises it is also handy for removing rust spots and corrosion on metal surfaces the black amp decker ka900e power file is perfect for shaping filing and sharpening too sanding bel