Check the listing for details. AnySharp Tactical Pocket Knife Sharpener Black #ASTKS. Color: Black, Condition: New. Listed at 24.99 USD. Anysharp Tactical Pocket Knife Sharpener in BlackPocket Knife Sharpener With Key Chain to fit on Key Ring for Swiss Army Knife, Bowie Knife, Buck Knives, Pocket Knives, Hunting & Tactical Knives. Just 70mm x 25mm in size and only 6mm thick, this sharpener is small enough for a key ring or keychains. The loop key chain fastener allows removal from your keyring without removing other items, ready for action in an instant. Machined from a solid ingot of light, strong military grade aluminum, the AnySharp pocket knife sharpener is supremely robust. With fixed tungsten carbide tools, there are no movable or removable parts, so there is simply nothing to break. It should last for many years even under extreme conditions. The integral finger grip ensures no slips or accidents!FeatureSuitable for any buck knife, Victorinox knives, other swiss army knives, hunting knife, skinning knife, fishing knife or camping knifeChain loop for key chains or key rings. Can be unhooked without removing other items from key ringsFinely diamond-honed tungsten carbide sharpening tools provide rapid results for any steel, hardened steel or serrated knife in seconds.