Dohiku HDG 644 Scud/Pupa Fly Tying Hook- The point and bend of this scud and pupa hook is designed to ensure excellent penetration and hook hold in fast and turbulent water. DOHIKU hooks are made from a high carbon steel, which is hardened and tempered according to an exacting formula. Of course, they are chemically sharpened. Finish - Black Nickel. 25 hooks per pack.