... ,heat treat 1.Hammer of #45carbon steel 2.Drop forged,heat treat,powder coated 3.Sledge hammer Linyi Yuantong ... Forging Co,.LTDSledge hammer head, Drop forged, high quality,1. Hammer with high quality material. #45 ... carbon steel, drop forged, heat treatment,2.SIze: 2LB 4LB 6LB 8LB.....20LB3. Surface: Painting. powder coated, two polished, all ...