Constructed from one solid piece of 420 stainless steel with ergonomic balance holes. The sleek, precision design allows them to sail through the air with ease. Each set includes heavy duty nylon sheath. 8 3/8" overall. 4 1/8" blade. Material: 420 stainless steel Blade Length: 4 1/8" Overall Length: 8 3/8" Sheath: Nylon