about this item: Wide usage: Our spring hook fits almost all kinds of hanging chairs, hammocks, egg chairs, egg boxes, full sets of sandbags, yoga equipment, flower baskets, etc. And any other favorite sport. High Load Capacity: Made of high quality spring steel, the sturdy steel construction ensures a maximum load of 500 kg per spring. high hardness, non-toxic and pollution-free environment. Can be used with confidence. Durable: The hammock spring is galvanized on the hardened spring steel, which is anti-corrosion and anti-rust, improves the weather resistance and service life of the porch swing spring. Buffer function: the spring absorbs shocks from the movement of your hammock to help relieve stress from impacts, provide a more comfortable and softer feel, and reduce noise. increase the life of the hammock. Simply use: Length: 108mm, width: 40mm, diameter: 7mm, with hooks at both ends, easily connect what you need to hang without using tools or complicated operations. Product Description: Features: -Made of high quality spring steel, strong and durable, load up to 500kg per spring. -Surface galvanized treatment, smooth and beautiful, corrosion resistant, long life of life. -Reduce noise, help relieve impact stress, provide a more comfortable and softer feeling. -With hooks on both ends, easily connect what you need to hang without using any tools or complicated operations. -Ideal for almost any garden patio porch and garden swing, hammock, hanging chair, punching bag, rattan chair basket, etc. Specification: Material: Galvanized Spring Steel. Color: As shown. Spring Diameter: 7mm. Size: 108 x 40mm. Load capacity: 500 kg each. Weight: 195g per unit Quantity: 2 pieces. Package includes: 2 x hammock chair spring