With 1000 feet of this Unicord polypropylene anchor line, you will likely have enough to meet your needs. In the event that you need more length, however, its hollow braid construction makes it a cinch to splice. Although it is thin enough to maneuver into the most complicated knots, it has a tensile strength of 975 pounds.
Specifications and Features:
Hollow core provides a high knot retention and is easy to splice
Treated with UV stabilizers for sunlight durability
8 strand utility construction
1/4 inch x 1000 feet
Tensile Strength: 975 pounds