Twin blades and a concealable belt sheath for everyday protection. Though these two 6 3/4 inch double-edged daggers are stealthy weapons offering adequate protection, they are so slim and light you'll never even notice you're wearing them. The nylon belt sheath is designed to be worn at your back and offers velcro closures to hold the blades in place until they need to be drawn. 2 3/4 inch blade.