Strong, lightweight nylon | Specially wound to payout fast from outside without tangles | Mildew resistant | Can be pulled into the run with the wire to provide a means to add wires later | Limited service warrantyAmazon.ca Product Description Greenlee has been going strong for more than 145 years and continues to be the preferred brand of tools and equipment for the electrical contractor. From hole making and bending to test and measurement, you can depend on Greenlee tools to outlast and outperform the competition every time. This Greenlee Fish Line is made from strong, lightweight nylon. It has a center feed for a faster payout without the tangles. It's made to use with a Mighty mouser blow gun. It is also mildew-resistant and can be pulled into the run with the wire to provide means to add the wires later. From the Manufacturer Greenlee has been going strong for more than 145 years and continues to be the preferred brand of tools and equipment for the electrical contractor. From hole making and bending to test and measurement, you can depend on Greenlee tools to outlast and outperform the competition every time. This Greenlee Fish Line is made from strong, lightweight nylon. It has a center feed for a faster payout without the tangles. It's made to use with a Mighty mouser blow gun. It is also mildew-resistant and can be pulled into the run with the wire to provide means to add the wires later.