Special chrome-vanadium-molybdenum tool steel through hardened for best wear resistance.  Corrosion protective Vapor Chrome Finish.  Exact fit precision CNC machined tips.  Precision handle is made of high quality cadmium free plastic molded on handle for permanent bond to blade.  The tapered faceted shape allows rapid rotation.  Handles are proportioned to blade size for optimum torque.  Finger tip rotation cap for precise turning and control.  
Professional quality.  Made in Germany.