eaudacèHigh-strength steel with electro-galvanized surface. The spring helps relieve stress from impacts, provides a more comfortable, softer feel, and will increase the life of your hammock, in addition to your mounting surface. Zinc-plated and clear-coated for added weather resistance. Your hanging chair or hammock can swing safely. It is weather-resistant and perfect for sports. You can safely hang it on a punching bag, suspension trainer, anti-gravity yoga hammock, etc. Easy and quick installation. Fits almost any punching bag, hanging chair, cocoon, wicker chair. Description: The spring helps relieve stress from impacts, provides a more comfortable, softer feel, and will increase the life of your hammock, in addition to your mounting surface. Fits almost any punching bag, hanging chair, cocoon, egg chair, wicker basket. Zinc-plated and clear-coated for added weather resistance. Capacity over 500 kg. Heavy-duty steel construction. Package Contents: 1 x Hanging Hook Note: Due to differences between different monitors, the image may not reflect the actual color. Please check the size carefully before purchasing due to manual measurement. Number of products: 2 pieces Color: Steel Size: 7*1.8mm