IRWIN Tools STRAIT-LINE Replacement Line for Chalk Reels， Braided Nylon/Polyester， Premium Ultra-Thin， 100-foot (2031324)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Braided nylon/polyester line is twice as strong as traditional chalk reel line and delivers multiple snaps of 1 mm (0.40-inch) thickness.</li><li>Fits aluminum and SPEEDLINE chalk reels.</li><li>Delivers multiple snaps of 0.5 mm (0.020-inch) thickness.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51qwshpaAML.jpg" noproxy>