IDEAL Powr-Fish heavy duty pull-line is white with blue tracer for easy identification. It is a continuous-fiber polyline that can be blown directly into conduit. It will not rot or mildew, and can be left in conduit for future use. Pull-line features convenient packaging in a bucket for 6,500 ft length with pre-punched top for easy access, and to keep the pull-line from spilling or tangling. The 500 ft length is available in a convenient canister. It is considered a heavy duty pull-line, and exhibits 210 lb tensile strength.