Heavy duty forged and polished fine grain steel head Shock absorbing fiberglass shaft Ergonomic rubber grip handle Versatile tool - Works as a blacksmith hammer, chasing hammer, masonry hammer, rounding hammer, pin hammer Lifetime Warranty - All Edward Tools come with a lifetime warranty Edward Tools Ball Peen Hammer 16 oz. features a bonded and moulded shock absorbing grip and fiberglass handle that reduces shock up to 70%. The head is forged and polished of fine grain steel. Ball Pein hammers are designed for striking chisels, punches, riveting, shaping and straightening unhardened metal. Mechanics, blacksmiths and DIYers have found this to be an essential tool in their lineup. Edward Tools Ball Peen Hammer 16 oz. comes with a lifetime warranty.