The Cold Steel Neck Knives are astonishingly light and because they're so lightweight, they can be comfortably worn practically 24 hours a day. Each neck knife comes with a terrific Secure-Ex sheath and steel bead chain lanyard so you'll have it with you wherever you go. Weather you're hiking, camping, fishing, boating, or in an emergency, even defending your life, these little knives can do it all!