4 pairs of 1/8" light rope ratchet hangers for heavy duty. Rope: 8ft strong braided polypropylene rope which is strong enough with high tenacity.The end of the rope is locked by aluminum snap. Rope Ratchet: The carabiner clip made of zinc plated steel / metal provides a secure grip, locks firmly in place Tear and rust resistant 75 lbs. load capacity per ratchet 150lbs/pr. Stable and Smooth Adjustment: Fully adjustable locking and quick, just pull the free end of the rope to adjust to your desired height. Wide Applications: 5.6ft long nylon rope for all the height you need to your lighting fixture, widely used in factory lights, fans, ventilation systems, filters, reflectors, etc. Product 4 pairs of ropes to 1/8" heavy duty ratchet, adjustable ratchet hanger, grow light rope hangers for grow plant fan filter light room equipment Specifications: Material: Nylon blend + Zinc alloy pulley + Aluminum buckle Quantity: 8 pieces (4 pairs) Rope length: 8 feet. 1 pair with 4 easy-to-use carabiners Maximum load: 150 LB/pair, 68 kg/pair Packaged weight: 4.23 oz / 120 g Instructions for use: 1. Fix the hook with a pulley in a firm place. 2. Use another hook at the other end of the rope to hang your product. 3. Pull the rope which without the hook to adjust the product upward. 4. If you need to adjust the product downward, press the position lever built into the pulley, then pull the rope with the hook. Package includes: 8 pieces (4 pairs) x grow light hangers