M305 Needle File Sets The Sutton Tools Needle Files are a premium quality, Swiss made, and are 140mm long. Available in a range of profiles including pillar, half round, crossing, knife edge, warding, three square, square, oval, round barrette, crochet and pillar. Smooth cut design produces a fine surface finish Made from high carbon steel Pieces 6 Range Pillar, half round, warding, three square, square, round x160mm