Stanley STA112034 SB4 Single Blade Iron Bench Plane The Stanley STA112034 SB4 Single Blade Iron Bench Plane is a light duty adjusted smoothing plane designed to return the most accurate stability and precision. Features: Fine grey iron base accurately machined for stability and precision in use. A light-duty, easily and simply adjusted smoothing plane Chrome carbon cutter with simple lateral and depth adjustment. Virtually unbreakable high impact injection moulded handles for comfort and long life. Length 9.3/4in. Cutter width 2in.