00 Ft. Coil, Duratec™ SFB Carbon Band Saw Material - 1" Width, 0.035" Thickness, 4 TPI, Regular profile, Raker Set, Straight (Zero) Rake Angle. Made from carbon steel with a flexible back, Duratec SFB is ideal for economical cutting on easy-to-machine ferrous or nonferrous metal and wood. It is available in a wide range of widths, thickness, pitches and welded-to-length sizes for general purpose contour and straight cutting on a variety of machines.