The first synthetic rope designed specifically for the arborist industry, Arbor-Plex is a lightweight, dual purpose 12-strand rope that can be used for both climbing and rigging. It resists snagging and has excellent knot-holding ability. Arbor-Plex works well when wet and is very durable. Polypropylene/Polyester blend, 1/2" (12mm) diameter, 6.8lb per 100ft, 6000 lb strength with 1200 lb working load.