- 【Trustable Structure】SAMOUT Synthetic Winch Ropes are braided by 12 strands of UHMWPE (Ultra High Molecular Weight Polyethylene) and coated with Premium Urethane to increase their UV & Chemical Resistance. Different Diameter Options provide various Break Strength for your choice. For 3/8in Dia Rope, it provides 25500 Lbs Break Strength Rating which is perfect for Vehicles under 8500 Lbs (AU Safety Factor: 1/3 of Break Strength), Recommended for Winch with 9500 Lbs Pull rating or Less.