Bluewater 8MM Accessory Cord - Sprout Mix 60M Nylon sheath and core Elongation: @ 300 lbf. = 6.9%; @ 600 lbf. = 10.7%; @ 1000 lbf. = 10.8% Tensile strength: 2900 lbf. (12.9kN) Grams Per Meter: 43 Sheath Mass:?47%