This MK Ultra flipper by Jake Hoback has a CPM-S35VN, upswept/tanto blade, notched thumb-rest and flipper. Caged bearing pivot. "Ps23 Hoback" on handle. Handle is comprised of DLC Black Fallout finished titanium scales with a titanium pocket clip positioned for tip up carry, left or right reversible. Included with this knife is a set of allen wrenches. Perfect detent, lockup, and blade seating. Knife flips well with absolutely no wrist action needed. Comes in a wooden presentation box with COA. Excellent condition.