Designed for indoor gardening horticulture grow light fixtures & reflectors. These user-friendly hangers are easy to adjust & The length can be changed regularly as your plants grow. Each pair of Hydro Crunch 1/8" Ratchet hangers can securely holdup to 150 lbs of weight with a drop down length of 63". For easy adjustments, This great pulley system locks in place, holdsup to 150 lbs (75 lbsper hanger), has a drop down length of 63" (5') & is 1/8 in size. Great for: reflectors. Carbon filters. Light fixtures. Ventilation equipment. Maximum weight capacity is 150 lbs (75 lbsper hanger).