Superior Materials: This robust ratchet hook is made of high-quality materials (nylon blend + metal pulley + aluminum buckle), ensuring strength and durability. Strong enough to support a load capacity of 150 lbs (maximum) per pair. Adjustable Distance: The ratchet is fully adjustable, providing reliable support and precise spacing for perfect lighting arrangements. No risk of cracking or slipping; easily raise and lower your grow light. Easy to Use: Simply attach the two hooks and pull the free end of the rope until the desired height is reached. No stretching, snapping, or loosening; it's strong, durable, lockable, and tear-resistant. Wide Application: Nylon cord for any height adjustment needed for your fixture. Commonly used in factory lights, fans, ventilation systems, filters, reflectors, etc. Suitable for both indoor and outdoor long-term use. Essential Factory Equipment This reflector hanging system allows you to raise and lower your light with ease. The hook securely holds your grow light in place at the desired height. The rope is made of braided polypropylene. The hook is made of zinc-plated steel and metal internal gears. Adjustable length and locking design for your convenience. Simply attach the quick-release carabiners to secure or release items quickly and easily. 4-pack 150lb capacity ratchets, adjustable 1/8 rope attachments suitable for hanging grow lights, high fixtures, flashing bags, and ventilation equipment. Instructions: Attach the carabiner with the pulley/gear to the ceiling frame or a secure location; Use the other end of the hook and cord to hang items; Pull the rope without the carabiner to adjust items upward; To lower the hanging item, press the trigger/clamp built into the pulley, then pull the rope with the carabiner to the set height. Specifications: Package includes: 4 pairs of ratchet ropes. Rope length: 1 meter. Warm Tips: Due to differences in light and screen settings, the color of the item may differ slightly from the images. Allow for slight dimensional differences due to different manual measurements.