The 1mm transparent line not the light distribution. It is widely used in greenhouses, hydroponics, floriculture, agriculture and grape cultivation. Provide reliable support through the tensioning mechanism and keep a proper distance from the plant Hang the hook on the stem or firm branch of the plant to prevent it from tipping or falling. As the plant grows, maintain a slight tension to maintain a stable effect. It can be hooked onto the stems of vines and melons and reused in season. Supports up to 24 pounds; Stainless steel spring; Maximum extension length: 55 inch, Weight: 0.59965735264 Pounds, Manufacturer: Quzenn