The TOUGHSTRIKE ™ 4 lb. Engineer Hammer features a 16" American hickory handle to reduce shock, a 4 lb. double face forged steel hammer head for maximum durability, and a wedge/ring connection for trusted head retention. Most users prefer this hammer for heavy hammering, light demolition work, and driving spikes/wedges. The TOUGHSTRIKE ™ 4 lb. Engineer Hammer is backed by a 15 warranty.