ADJUSTABLE: Fully adjustable and lockable, extremely tear-resistant and rust-proof for long-lasting use. EASY TO USE: These metal hooks attach one end of the rope with a metal clasp, making lifting lamps and other items easy and flexible. Meet your needs for drapable tents, fans and more. DURABLE AND LONG-LASTING: Made of high-quality metal and carefully assembled nylon, strong enough to hold up to 68 kg. Very safe and durable Just two steps: 1. Use the pulley to fix the hook in a strong position. 2. Use another hook on the other end of the rope to ng the product. Pull the rope without the hook to adjust the product upwards. If you need to adjust the product downwards, push the positioning bar built into the pulley and then pull the rope with the hook. WIDELY USED: The climbing buckle locks easily, quickly and automatically with an anti-unhooking system tt ensures safety. Ideal for indoor grow racks, carbon filters, LED grow lights, etc. Color:1 Pair Features This rope ratchet pulls the rope tightly and locks it in place. For all your fixing needs, our wire rope ngers will provide the heaviest load to the most delicate parts of your grow room equipment, so you don't ve to worry about falling, slipping or dropping. Perfect for nging light fixtures, reflectors, carbon filters, fans, potted flowers, fans and more! Specification - Color: Black - Material: Nylon, zinc alloy and stainless steel. - Size: About 15 x 15 x 4 cm. Instructions 1.Make sure the hook with pulley is securely fastened. 2.Use the hook at the other end and the string attached to it to ng the object. 3.To ng the object high, pull the string without the hook. 4.To adjust the height of the nging objects downward, push up the stop control lever of the nging pulley and pull the rope with the hook downward to the adjusted height. Package includes 1 Pair Nylon Rope Ratchet