CWC 100110 1/2 Inch Hollow Braid Monofilament Polypropylene Rope 500'CWC 100110 1 2 Inch Hollow Braid Monofilament Polypropylene Rope 500' Sometimes called Diamond Braid, this easy to splice floating rope is one of the most versatile and widely used ropes today. It will not rot or mildew and has good knot holding ability with great resistance to deterioration from oil, grease, and most chemicals. This rope is 1 2" in diameter 500' long on a spool Yellow in color POLYPROPYLENE ropes make flexible and lightweight ropes.