The durability of this knife is amazing because both handles have a double walled construction. The inner wall consists of stainless steel with the outer wall containing decorative ABS mounts and steel. The blue mounts to just like a mid-day sky and each piece is riveted on. The training blade is actually a comb. How cool is that? The comb is made from an ABS material to style your locks when you are on the go showing out. A safety latch is provided to lock the blade open or closed.Overall Length: 8.50 Inches.