CRKT 4040 Provoke. Serve. Protect. The Joe Caswell designed Provoke knife draws on ancient karambit design but its hiding a futuristic secret. The first knife ever to feature Kinematic technology, it stays neatly tucked away in transit and comes to life when theres trouble afoot. Modeled after a traditional karambit, the black oxide-finished hawkbill-style blade is forged of a premium D2 steel for high durability and excellent edge retention. The opening mechanism is pulling the folder into the future whether its ready or not. Thumb pressure on the upper crossbar sets the chain reaction in motion, causing the blade to lunge to action while youve got a firm grasp on the handle. Its crafted of aircraft-grade 6061 aluminum for supreme toughness. In true Joe fashion, the pocket clip is also a worlds first - sitting almost completely flush with the handle and likewise activated with light thumb pressure. The Provoke comes up strong when its called in for duty. How Kinematic Works: Nudge the upper crossbar with your thumbwhile the rest of your fingers firmly grasp the handle - and the blade lunges to life and locks into place. Shift the discrete lever at the base of the finger loop and the blade retreats into its closed position. SELECT SPECS: --Blade Length: 2.41" (61.21 mm) --Blade Edge: Plain --Blade Steel: D2 Tool Steel --Blade Finish: Black Titanium Nitride --Blade Thickness: 0.209" (5.31 mm) --Closed Length: 4.96" (125.98 mm) --Weight: 6.1 oz. --Handle: 6061 T6 Aluminum --Style: Folding Knife w/Kinematic System Country of Origin: Taiwan