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. The 1mm parent 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 Supports up to 24 pounds; Stainless steel spring; Maximum extension length: 55 inch Hooks provide reliable support Hang it above the plant to support the stem Gently on the plant, the long rope is 60 inches long Comes with a plastic stopper to fix to the required length It also fully meets the requirements of adjusting the hood to provide different light sources as plants grow. Provide reliable support through the tensioning mechanism and keep a proper distance from the plant 1. Hang the hook on the stem or branch of the plant to prevent the plant from falling or tilting. When the plant grows tall, the hook's pull line fer the plant's height and slowly retract to continue to gently hook the plant. Yes, you can also use a plastic plug to keep it at a static length of 1.4 meters, the maximum dimension of the cable. In order to that the plant grows up gently and enhance the photosynthesis of the plant; or use a plastic plug to keep the pull cord at the corresponding height. 2. When the hook acts on the plant, it gently hooks the stems of melons and vines. When the plants are and harvested, the hook can be put away and used repeatedly; 3. The use of 1mm thick parent cable does not have any impact on the lighting of plants; 4. This product is a professional planting tool. This yoyo hook is not a load-bearing hook for lamps! Colour:yellow Material:plastic Size:140 x 46mm Package Contents: 15 x Hook