Fantastic hook for emergers, pupa, and general purpose nymphs. Details below. 36 per pack About the 316 I love using this hook for a number of patterns. Especially good for caddis, emergers, and Czech nymphs. Characteristics This is a standard length hook with a 2X gape. It has a straight eye and is formed from a medium weight wire. It is available in sizes #6 to #22. Materials As with all Firehole Sticks, this hook is made from high strength carbon steel, which is properly hardened and tempered. The hook is chemically sharpened and finished with a black nickel coating.