The Pro-Knot Fly Fishing Knots Card Set includes 12 of the best knots for fly-fishing on 6 waterproof plastic cards for easy reference when you're on the water. Riveted together with a brass grommet, these knot reference cards are easy to stash inside a vest pocket and won't fly all over the place when it's time to pull them out. Includes detailed, illustrated instructions as well as information about when to use knots such as the improved cinch knot, nail knot, surgeon's end loop, and more. Includes detailed instruction for tying 12 fly-fishing knots 6 compact waterproof plastic cards carry easily Riveted together for simple management Includes information on when to use each knot