WORKING PRINCIPLE - Plant pulley retractable hanger is designed for bird feeders and hanging plants, built-in a flexible rollers can adjust different heights to meet your requirements, easy to pull down for feeding or watering. HIGH QUALITY - The plant pulley shell is made of hard plastic material, with built-in flexible rollers and strong nylon rope. The triangle hook on the top of the pulley frame can rotate 360 degrees, which is convenient for multi-directional bird feeding. LOAD CAPACITY - The plant pulley hook and nylon rope are sturdy and strong enough to support 15KG/33LB (maximum weight) plants or flower baskets. It is very safe to hang the flowerpot or feed the bird, so you dont have to worry about whether the flowerpot will fall. ROPE MAX LENGTH - The rope length of retractable plant hanger is 90CM/35.4IN. Long enough to adjust the best height you want, which can be used for hummingbird feeders, indoor houseplants, outdoor hanging plants, ect. INSTRUCTION - Please refer to Figure 6 for detailed operating instructions. In the operation process, all need to be carried out slowly. Only by correcting the stuck points can the rope be stuck in the pulley to achieve a stable positioning.