EMI 5-in-1 Lifesaver Hammer. "The Next Generation Lifesaver Hammer" The Lifesaver Hammer is actually 5 lifesaving devices in one. The body is made of high impact plastic while the striking head is made of drop forged steel. The Lifesaver Hammer is lightweight yet durable and has a contoured grip handle. It is approximately 7" long and weighs 5 oz.