Perfect for your pocket, vest, tackle box, or boat, the cards are ring-bound for durability and convenience—and even include a fold-out 12-inch ruler for quick measurements on the water.

Inside you’ll find:

• Clear instructions for 10 must-know knots:
  Improved Clinch, Palomar, Uni Knot, Double Uni, Blood Knot, Nail Knot, Surgeon’s Knot, Surgeon’s End Loop, Dropper Loop, and Perfection Loop
• Waterproof and weatherproof construction
• Compact, ring-bound format for quick reference
• Bonus: folds out to a 12" ruler

Format: Ring-Bound Waterproof Cards
Size: Pocket-sized, folds out to 12 inches