This UHEP frame-lock flipper by Jake Hoback has a stonewashed CPM20CV upswept/tanto blade, notched thumb-rest and flipper. Caged bearing pivot. "Ps23 Hoback" stamped around pivot. Handle is titanium with stonewashed finish, barrel spacers and matching tip up clip, reversible, left or right. This knife has an adjustable detent. Perfect detent, lockup, and blade seating, and flips like a boss. Knife is in excellent condition. Comes in original box. Has an upgraded pivot.