Great Material- Made of high strength plastic, durable and lightweight to carry. Quickly clamp down anything with the simple locking mechanism. Simply pull up on the clamp to unlock or push down to lock and hold. Good Quailty and Design- Made in Taiwan and also acquire many countries patent, such as Europe,U.S.A,Taiwan,Japan,China, etc. Widely Application- Camping clamp is great for outdoor camping tent, awning, caravan, tarps, canvas, awnings, boat covers swimming pool covers, temporary shelters, or any fabric cover needing extra hold down points, etc. Easy to Use- Easy to install or remove just to tighten or loosen the screw knob. The teeth inside hold the tarp tightly, but do not tear or damage it. Hook tail for rope adjusting and tightening Super Holding Power- Versatile, premium quality tarp clips with heavy-duty gripping power, the tested load-bearing of pulling force is over 100 kilograms.