The rope ratchet is sturdy and can hold up to 75 lbs. The rope ratchet is used in hydroponic aquarium light installations for quick adjustment of light heightExcellent for hanging reflectors, light fixtures, carbon filters, ventilation equipment and mareMade with a special composite material that is resistant to heat and cold conditions. Locks in place, will never break or slip or rust. Easy and quick installation adjusts the height of the light and saves time and easy to use