Check the listing for details. InstallMates™ NSM1003 Polypropylene Construction Line (500ft Twine, Yellow). Condition: New. Listed at 9.79 USD. InstallMates™ NSM1003 Polypropylene Construction Line (500ft Twine, Yellow) This spool has 500 feet of yellow polypropylene construction line. The plies are braided into 18 gauge. It features a tensile strength of up to 44 pounds. This makes it ideal for use as a pull string in cable runs and in-wall wire pulling. It’s perfect for pulling cable through PVC or metal conduit. Skywalker offers audio/video products and tools for quick, easy, and professional custom installations. Our InstallMates™ line is designed with the best quality at an affordable price. Key Features Contains: (1) 500-foot Spool of Polypropylene Construction LineIdeal for use as a pull string in cable runs within PVC or metal conduit and in-wall wire pullingBright Yellow color for high visibility in dark environmentsConstructed with 18-Gauge Braided Ply PolypropyleneTensile Strength: 44 lbs. | Length: 500 FeetGross Weight: .45 lbs.Brand Product Line: InstallMates™Brand Manufacturer: Skywalker