Quartermaster Knives QSE-6XLS Mr Roper 4-5/8" closed framelock knife. 3-1/4" stonewash finish CPM-154 stainless tanto blade with thumb slot. ORB Pivot System. This system is sealed, prohibiting the introduction of dirt or grime and from over-tightening the pivot screw. Black G-10 front handle. Stonewash finish stainless back handle. Reversible stonewash finish stainless pocket clip. Certificate of Authenticity. The first 300 are serialized.