Features: Durable blue 7075 aluminum trainer blade with serrated section. Precision machined bushings. Silver 7075 aluminum handles are subtly textured and jimped for grip. Modular weight pin system. Description: The Swordfish from Squid Industries is the first pinless, all-aluminum built Balisong trainer. The lightweight construction and superb ergonomics make it a perfect balisong for beginners as well as advanced flippers. Not a fan of the balance profile? The Swordfish comes with a modular weight pin system which allows the owner to add up to two weight pins in each handle The weight pins are included with each Swordfish. Manufactured and assembled in the USA! Check out more popular butterfly knives!