TheÂ EMI 5 in 1 Lifesaver HammerÂ features 5 lifesaving devices available in a single tool. Â The body of the Hammer is made of a high impact plastic while the striking head is made of drop forged steel. The Lifesaver Hammer is lightweight, yet extremely durable and features a contoured handle and superior grip and balance. Â Approximately 7 long and 5 oz. in weight.