Langxun 2 Pack Keychain Folding Pocket Knife/Self Defense Keychain Knife - Ideal Birthday Gifts, Thanksgiving gifts and Christmas Gifts, New Year's Gifts (BLUE) Keychain Size: Weight-0.75 oz | Open Size-4.9 in | Floding Size-2.8 in | Blade Size-2.1 in | Clour-Blue | Packing Quantity-2 pcs Key Shape Design: This key knife is made from stainless steel, key chain tool conceals a compact blade in the size of a standard house key. Safe and Versatile Knife: Lockback provides additional safety while the knife's in the open position, it can be used as a box cutter or camping, hunting, fishing, kitchen. Can be attached to your keys and in a critical moment can be self-defense. Gift Ideas: Graduation, anniversary, birthday, gifts for him or her, mothers day gifts, college student gift ideas, daughter, bachelorette party. After-service: Comes with a limited lifetime warranty.