Smith & Wesson- SW50BS -Extreme Ops Drop Point Automatic Knife (3.25" 440 Steel Black Serr) If you like the Boker Magnum series then you'll love the Smith & Wesson Extreme Ops SW50 automatic knives. These knives feature great quality and action at a low price. The SW50BS has a black finished 440 stainless steel drop-point blade with a partially serrated edge. The black coated aluminum handle features grooves to increase grip and a tip-down stainless steel pocket clip for easy carry. The push button quickly deploys the blade and this new version of the SW50 has a front mounted safety!