Tool Logic SLPB2 a handy utility knife that can solve half of problem when surviving wilderness. The whole length of knife when closed measures 9.84cm. The 3 inch blade is constructed of 420J2 partially serrated steel. After cutting fish you can its uses magnesium alloy fire starter to create bonfire. The built-in LED flash light will never let you lost in the dark. The detachable flash light uses aluminum body and is fully waterproof. The Tool Logic SLPB2 Folding Knife ($31) also has the signal whistle that you may require just in case. The handle features the pocket/belt clip which allows keeping this best accessory just a second away from hand.
Available at amazon.com for $31