30 Sturdy Cover ClipsPool cover clip is designed with adjustable spiral thumbscrews, and the crocodile mouth with teeth can fix the cover more stably. Each tent peg is waterproof and easy to carry. Excellent QualityMade of high quality nylon plastic, these tarp clips are strong and durable, can withstand strong pulling force, and are not easy to come off after attaching them to tents. Super Holding PowerHeavy duty tent tarp clamp designed with the thumbscrew to tighten the jaw can securely hold the tarp even heavy storms, pool tarp clips can withstand high winds up to 60mph. Easy to UseEasy to attach or remove by simply tightening or loosening the tent clamp screw knob. The teeth inside grip the tarp firmly, but won't tear it or damage it. The jaws open about 1.2cm and the hole is 1.2 in diameter. Widely ApplicationPool tarp clip can be used for tents, awnings, tarps, flags, curtains, covers, trampolines, boat covers, awnings, swimming pool covers, costumes for home and outdoors.