The AD20.5 by Demko® Knives features the all-new Shark-Lock®, designed and engineered by Andrew Demko. The Shark-Lock® mechanism is situated on the spine of the knife and operated with a ramp-like ‘fin.’ Available in two different blade shapes, this knife features ball bearings on the pivot pin, steel liners, and a Black G10 handle. The AD20.5 comes standard with a right-handed pocket clip, and also includes a left-handed pocket clip.