The McNett Gear Aid Tent & Tarp Line Lock 4pk is a great addition to your tent guy line kit. Keep those guy lines taut without the fancy knots. The Tent & Tarp Line Locks by Gear Aid can be used as replacements for broken line locks, or added to tarps without any. Just attach the tension lock to any tent or tarp, thread the cord through, pull the line taut and secure. Your shelter will be secured so you can sleep easy.Gear Aid Tent & Tarp Line Lock 4pkSecures taut guy line without knots Easy to use tension locks 4 pkFits up to 3/16" (4.75 mm) cord Weight - 0.02 oz. eachInstructions on packagingSturdy nearly unbreakable duraflex molded plasticImport