7mm Hammock Hanging Chair Extension Spring

1. Suitable for all kinds of hanging chairs, with high safety performance.
2. Made of spring steel, it is made of precision workmanship, with good elasticity and durability.
3. The surface is galvanized, beautiful and corrosion-resistant, and has a long service life.
4. Size: 7mm
5. Weight: 195g
6. Pulling force: 500kg