Specifications: Small aluminum 5*3.5cm Small plastic piece: 5*3.5cm Rope: See description on the page Load capacity: The small aluminum model can support approximately 50kg Small plastic scale weighs approximately 20kg Hooks: They are made of iron with a galvanized surface. If you need chrome plating, please contact customer service Anti-loosening design: The pull cord will automatically lock at the point where you pull it, remaining locked until the release button is pressed.No need to worry about stretching, rebounding, or loosening. Multiple uses: can be used as a hook for grow lights, a binding rope, or a rope hook.It can also be used as a pulley for adjusting tent ropes.Helps you easily complete the task of setting up the tent.