This ingenious, lightweight set of four award-winning Figure 9 rope tighteners makes tent set-up a snap. The Figure 9"s provide easy tension and secure adjustment without tying a single knot. Just pull your lines tight and keep them that way the first time-your tent stays taut and sound in any weather. The four 8" reflective guy lines provide high nighttime visibility (no more tripping over them in the dark!). All-in-all, our Figure 9 Tent Line Kit is the ultimate tent pitching upgrade.