This high-quality Key Chain Knife by Nite Ize offers a perfect everyday-carry solution for convenient accessibility on your key chain. Designed with the features and durability of larger folding pocket knives, the DoohicKey Key Chain Knife offers a 2 in. locking stainless steel blade housed in a lightweight aluminum body. This premium key chain knife uses high-quality, corrosion-resistant 420j2 stainless steel with a high-hardness level (51-54HRC), allowing this knife to retain a sharp edge. The included S-Biner allows you to quickly attach, detach and secure this folding knife to key chains, backpacks and other anchor points. Color: Blue. Gender: unisex. Age Group: adult.