Working principle: The telescopic plant pulley is specially designed for birdhouses and hanging plants, mainly by the built-in casters to adjust different heights to meet your needs, making watering and feeding easier and more practical. High quality: The plant pulley is made of stainless steel + nylon rope + high quality plastic shell, very durable and can be used for a long time. Retractable roller for plants: can support up to 10 kg, maximum stretching length: 91.4cm. You can freely hang plants or baskets at a suitable height. Easy to install: This product has a hook, no need to buy other accessories when installing. You can easily screw the screw hook into wood, plywood or plasterboard, it clicks into place quickly without falling off. Wide range of applications: The plant hook can be used to place plants indoor or outdoor potted ornaments, flower baskets, bird cages, bird feeders. Retractable hangers not only make your home more beautiful, but also save space.