40 OZ, Sure Strike Steel, Engineer Hammer, Designed For Striking Cold Chisels, Brick Chisels, Punches, Star Drills, Spikes & Hardened Nails, Blue Painted, Forged & Tempered Steel Head, Polished & Beveled Faces, Jacketed & Textured Yellow Fiberglass Handle, Ribbed Grip Prevents Slipping, Balanced, Tempered.