The Microtech 241-2 Cypher Microtech S/E OTF Automatic Knife Smooth Tactical Serrated Edge. This Cypher model is outfitted with a single-edged part serrated blade in a black finish and a black aluminum handle. The Microtech Cypher OTF is a production version of the popular A. Marfione / D.C. Munroe custom collaboration. This model is equipped with a single black-part serrated edged blade. Its smooth handle is made from lightweight aluminum with a black anodized finish and a black titanium pocket clip and end piece. Unique stepped handle design offers a firm, reliable grip. Milled titanium pocket clip for comfortable tip-down carry. Resilient Bohler M390 stainless steel plain edge blade provides a high performance cutting edge.