This plane combines all of the high quality features of traditional bench planes, with innovative details and new design. The casting is stress-relief annealed grey-cast iron, and the iron is made from tool steel hardened to 60-62 HRC. It is seated optimally to prevent chattering. Easy and precise setting of the mouth opening is made by turning just a single screw. The sole is precision ground, and the sides are square to the bottom. Handle and knob are produced from native woods. Made in Germany.