[Package]Total length about 4"; Steel thickness 3/8". Each package includes two spring hooks, wrapped in bubble wrap for protection, and comes with printed instructions for use. Please select the product sold by Store. .[Easy to Install]The spring hardware is easy to install, no assembly required, easy to hang, a suitable choice for those looking for a hassle- swing solution. It holds up perfectly and does not make any noise or rubbing sounds. .[Usage Scenarios]Spring Hook Parts Accessories Spares OUTDOOR egg chair swings, patio swings, garden swing chair hammock, canopy patio swing hangers, patio swings, inclined S-shaped swings and hanging purposes - 's hanging chair, INDOOR - It can be used in a variety of environments, such as punching bag, Aerial Yoga. This versatility makes it a versatile and adaptable option for different needs. .[Durability and Stability]Heavy-duty, sturdy hardware, the sturdy construction of the springs a more comfortable and satisfying swinging experience compared to traditional swings. The hook expands their use - providing additional functionality and support. .[Knock-Off Resistance]Made of thick, sturdy steel with surface electric galvanization, it will not bend or flex even under the weight of over 1000 lbs. First released in 2018, it has maintained its durability after six years of testing.