About this product: 【ADJUSTABLE】: Fully adjustable and lockable, extremely durable and rust-resistant for long-term use. 【Easy to use】: These metal hooks attach one end of the rope with a metal clip, making it easy and flexible to lift lights and other items. Meets your needs for drapery tents, fan tents, and more. 【Durable and long-lasting】: Made of high-quality metal and neatly assembled nylon, strong enough to hold up to 68 kg (150 lbs). Very safe and durable. 【Just two steps】: 1. Use the pulley to attach the hook in a strong position. 2. Use another hook at the other end of the rope to hang the product. Pull the rope without the hook to adjust the product upwards. If you need to adjust the product downwards, press the position bar built into the pulley and then pull the rope with the hook. 【Wide use】: The climber locks easily, quickly and automatically thanks to an anti-loss system that guarantees safety. Perfect for indoor grow racks, carbon filters, LED grow lights, etc. Product description Color: 1 pair Features This rope buckle tightens the rope and locks it in place. For all your mounting needs, our wire hangers will provide the heaviest load for the most delicate parts of your grow room equipment, so you don't have to worry about it falling, slipping or falling off. Perfect for hanging light fixtures, reflectors, carbon filters, fans, potted plants, fans and more! Specification -Color: Black -Material: Nylon, zinc alloy and stainless steel. -Size: Approx. 15 x 15 x 4 cm. Instructions 1. Make sure the hook with the pulley is secure. 2. Use the hook at the other end and the cord attached to it to hang the item. 3. To hang the item at height, pull the rope without the hook. 4. To adjust the height of the hanging items downwards, push up the stop control lever on the suspension pulley and pull the rope with the hook downwards to the set height. Package includes 1 pair of nylon rope buckle