Gamakatsu C13U fly tying hooks are part of Gamakatsu's Executive Series hooks.  The Gamakatsu C13U is a light wire hook with a black finish and unique bend.  The C13U hooks are idea for Keel Style dry flies but are also a very nice caddis pupa or chironomid hook.

Gamakatsu C13U Keel Balance Hooks

• 25 hooks per package. 
• Keel Balance Bend.
• Light Wire.
  
• Up Eye, Black Finish.
• Uses: Dry flies, Chironomids, Caddis Pupa.