Msr tent guylines large description these lightweight and adjustable guy lines feature a secure non slip design that makes it easy to stabilize your tent in heavy winds and to minimize leakage by keeping the rainfly away from the tent body they come with easy to adjust camring tm cord tensioners and are available in small and large sizes a set of four 24 m 8 ft guy lines and a set of two 3 m 10 ft guy lines