A nylon sheath with a nylon core accessory cord for a multitude of applications limited only by the imagination. Large color selections in both patterns and solids. Elongation: @ 300 lbf. = 9.4% Elongation: @ 600 lbf. = 12.8% Diameter: 3mm Grams Per Meter: 12 Tensile Strength: 375 lbf. (1.6kN)