The edges of the flat side of the head are induction hardened, With contoured hickory handle DIN 5111, additionally shaped with a long hardened handle protective steel sleeve, The tapered collar, fixing plate and wood screw bond the hammer head and the handle into one unit, ROTBAND-PLUS handle join, high working safety, long service life, best price-performance ratio, ROTBAND-PLUS handle join, high working safety, long service life, best price-performance ratio