Quick and easy, with no parts to break! Simply attach the hook to one end, and pull the cord to attach to the other end. Release easily using the thumb hole! Featuring a rope lock made out of high-quality, high-strength thermoplastic Delrin, with 1/4 solid braid polyester rope. The rated capacity is 350 lb break strength, with 125 lb of working load capacity. Black rope and rope lock with 5" bungee.