) The most technologically advanced rope ever made. It's the first four-strand rope with the exclusive Coretec nylon core, yet boasts a 3/8" true diameter to maintain a familiar feel in your hand. Its tightly woven four-strand construction increases weight and body, enabling you to have a better feel of the tip for a more accurate delivery. Lasts up to 50% longer than other ropes and handles the same on your 50th steer as it did on the first. 3/8'' x 30'.