Bushing head for manual processing of wood， bushing head set and method for processing wood

The invention relates to a sleeve blade (10) for manually treating wood (12)， the sleeve blade (10) comprising a cylindrical sheath (14) comprising an open first end (16) having a first edge surface (18) sharpened to 80-100 °， preferably 85 - 95 °， most preferably at an angle of 88-92 ° to the longitudinal direction of the sheath (14) to form an annular first blade (24) to detach the bark (13) of the wood (12) from the wood (12) by pushing the sleeve blade (10) along the wood (12) through the elongate wood (12) 10) through a first end (16) and a second end (20) a sheath (14)， and an open second end (20) having a second edge surface (22)， respectively; sharpened at an angle to the longitudinal direction of the sheath (14) to form an annular second blade (26) for detaching the nail layer (15) of the wood (12) from the wood (12) by pushing the sleeve blade (10) along the wood (12). The invention also relates to a sleeve steel set and a method for treating wood by hand.