Lixada 5Pcs Outdoor Camping Tent Aluminum Alloy Cord Guy Line Runners Awning Rope Tensioners Fastener Tightener Unique figure 9 shape eliminates the frustration of tying, adjusting, and untying knots. Excellent alternative to stretch cords and cam tensioning devices. Suitable for rope diameter from 3.5 to 9mm. Maximum loading weight: About 50kg. Comes in lot of 5 pieces for extra convenience.