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