Feature: 1. Manufacturing Material: Made of high quality stainless steel, strong, durable, rust-proof, corrosion-resistant and high hardness. 2. Various Features: Full welding, strong connection, not easy to crack, not easy to loosen and overflow, bright surface and no burr. 3. Wide range of applicable scenarios: You can hang hammocks in your room, swings in the yard or sandbags in the gym, and you can use them at any time. 4. Reduced shocks and bumps: With loads of up to 250 kg / 551.2 lb, the spring reduces wear caused by shocks and bumps and increases the service life of the mounted parts. 5. Simple operation: Simple to use, easy to operate, easy to install and disassemble. Suitable for yoga training, hammock, hanging chair, etc. Specifications: Item Type: Hammock Hanger Weight: Approx. 214g / 7.5oz Material: Stainless Steel Product Load Capacity: Approx. 250kg / 551.2lb Product Style: M8 Square Rotating Ring Fixing Hook + M6 Triangle Nut Buckle + Expansion Screw Expansion Screw Size: Approx. 6 x 60mm / 0.2 x 2.4in Product Applicability: Suitable for yoga training, hammock, hanging chair, etc. Package List: 1 x Triangle Nut Buckle 1 x Square Rotating Ring Fixing Hook 4 x Expansion Screws Manufacturing Material: Made of high quality stainless steel, strong, durable, rust-proof, corrosion-resistant and high hardness. No burr. Simple Operation: Simple to operate, easy to use, easy to install and disassemble. Suitable for yoga training, hammock, hanging chair, etc. Good quality product