Thunder (TM) 5 x Pair 1/8" Adjustable Grow Light Rope Rachet Hanger with Patented SUREGrip SUREGrip's patented system pulls tight, locks in place, will never break or slip, and will not rust. Reflectors and light fixtures. 8 ft Rope Carbon Filters or ventilation equipment Maximum weight capacity is 150 lbs. a pair. Excellent for use with larger reflectors like the Magnum XXXL.