The TEKTON. Needle File has what you need for hobby models, jewelry, clocks, and watches. This various combination of cross-sectional styles is for use on smaller workpieces made of moldable, wood, and velvety metal. With both savourless and itinerary faces in respective specialty shapes, these files are for shaping picture printed creations. homey, nonslippery rubber grips economic policy and accuracy. Files are 5-1/2 inches and made of whippersnapper alloy steel.