... LINYI,the hometowm of the hardwares, has thousands factories and trade corporationsspecializing in manufactring and seiling all 1. MATERIAL OF HANMMER HEAD: S45C ... 40% fiberglass handle with rube, 65% fiberglass handle and TPR, 65% fiberglass handle and PVC, steel tube.3. SUPERFICIAL TREATMENT: sandblasting, ... 1193-20008. HEAD PROCESS: polishing, mirror polishing, ect. cross and ball pein Hammer