Hard material: the spring buckle is made of pure steel, and the high-strength material is more durable and durable. Pure steel, rust-resistant, wear-resistant, corrosion-resistant, can be used for a long time. Strong elasticity: the awning rope tensioner is equipped with a double buckle. It tightens the tension spring to keep your awning steady and has high tensile strength to prevent damage to the awning in strong winds. Easy to install: Connect one end of the spring clamp to the ground screw and the other end of the spring clamp to the tent or awning rope. Simple operation, you can quickly and easily connect and repair objects, the installation speed is very fast, suitable for self-installation and disassembly. It is also very practical. Wide application: the spring buckle can be used for canopy tents, triangular tents, dome tents, hexagonal tents, etc., and is suitable for a variety of tents. Also suitable for sandbags, hammocks and other spring barriers. The carabiner can be used for outdoor climbing, safety buckle, pet chain, etc. Perfect combination: the set has 4 spring buckles and 8 carabiners. A spring buckle consists of a spring and two U-shaped hooks, which can be easily disassembled and carried.