Stay on top of the situation with the Smith & Wesson M&P 4 Folding Knife, which features a glass breaker and a stainless-steel blade with a serrated edge. The aluminum and rubber handle with finger actuator and dual-thumb knobs provides a secure grip, and the M.A.G.I.C. spring-assist opening ensures easy 1-handed use. Liner safety lock. 7.4 oz. 3.6" blade length. 8.6" overall length.