The Microtech 241-13KAOD Green Cypher Katana OTF Automatic Knife S/E Plain Edge. This Cypher model is outfitted with a single-edged bronzed Katana finished blade and an OD green 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 Katana single-edged blade. Its handle is made from lightweight aluminum with an OD green anodized finish and a bronzed titanium milled titanium pocket clip and end piece. tip-down carry Unique stepped handle design offers a firm, reliable grip. Resilient Bohler M390 stainless steel blade provides a high performance cutting edge.