1)Machinist hammer with handle(wood handle, fiberglass handle). 2)45# steel 3) hardened 42-48HRC 4)Genuien Hickory ... . (4) HANDLE : wooden(hickory, europen ash,ash , hardwood), fiber-glass,steel,forged steel,etc. (5)FIXATION : AB resin,wooden wedge,wooden wedge with metal epoxid ...