MTech USA Black Fixed Blade Neck Knife Grenade Style MT588BK. A useful survival knife that is small yet an effective tool. It measures 4.25" in overall length with a black finished stainless steel edge blade. A large thumbhole is also included within the full tang blade for easy gripping. The stainless steel handle is a short and simple black grenade design with a lanyard hole. For protection of both knife and wielder, the item includes a black neck sheath with metal clip and beaded neck chain.