Smith & Wesson Knives The famous gun manufacturer has designed their own line of knives with the same quality and attention as the guns they have made for years. If you demand the best, then these are the knives for you. All Smith & Wesson knives have a lifetime warranty. Smith & Wesson S.W.A.T Black Knives Designed by Stewart A. Taylor and precision crafted for the elite team. Features a black sure-grip aluminum handle, black 440C Teflon coated steel blade, 3.20" blade, pocket clip and weighs 3.89 oz.