Description 1/2", 12 Strand Spliceable Details Safety Pro has good abrasion, excellent knot control, flexibility, short break-in time, moderate stretch, stays round under load and has a high UV resistance. Elongation: 3.46% @ 540 lbs Melting Point: Polyester melts @ 480 degrees F, Polypropylene melts @ 300 degrees F Country of Manufacture: US