Specification:BrandXmund XD-LP1MaterialNylon, zinc alloy, stainless steelEach pairmax load68kgFeatures:Nylon, zinc alloy, stainless steel.1/8 lanyard, 2 sets, chandelier lifting lanyard.Sturdy hooks, plastic pulleys, compact and lightweight, labor-saving tools.The carabiner fixture provides a secure attachment.Package included:2 xClimbing pulley ropeInstructions:1. Secure the carabiner which with a pulley in a firm location.2. Use another carabiner in the other end of rope to hang your product.3. Pull the rope which without the carabiner to adjust the product upward.4. If need to adjust the product downward ,should push the position lever which embedded in the pulley,then pull the rope which with the carabiner.