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Demko AD10
The Demko AD10 is where Andrew Demko's reputation for hard-use folders comes into sharp focus. Built around the Tri-Ad lock — the same mechanism Demko originally engineered for Cold Steel — the AD10 takes that proven platform and refines it under his own name with tighter tolerances and premium materials throughout.
The Tri-Ad lock functions like a back lock but with a critical difference in internal geometry. A stop pin positioned between the lock bar and the blade tang absorbs impact force before it can reach the lock face, giving the mechanism a level of spine-whack resistance that conventional back locks and liner locks can't match. It operates ambidextrously and engages with a solid, confidence-building lockup that hard-use carriers expect.
Construction backs up the lock. Titanium liners provide the structural backbone, while handle scales come in G-10, Micarta, or carbon fiber, depending on the variant. The wide drop-point blade is deployed via dual thumb studs and has been offered in CPM-3V — a tough, impact-resistant tool steel that excels in heavy cutting — and CPM-20CV for users who prioritize edge retention and corrosion resistance in a hard-use package.
In hand, the AD10 fills the palm without feeling oversized. It carries enough blade to handle demanding tasks but stays within a size envelope that works for daily pocket carry. For users coming from the AD20 or AD20.5, the AD10 offers a different lock platform while sharing the same design philosophy — function-first construction with no concessions to appearance over performance.
Production runs on the AD10 are limited, so availability rotates as batches come through. Browse the full Demko Knives collection to compare it against the Shark Lock models and find the right fit for how you carry.