Product Material: aluminum alloy, stainless steelSize: 105*82mmColor: blue, red, goldQuantity: 1pcsPackage content: 1*high hollow heart-shaped zipline pulley 1.Safty Guarantee ensures its security, zipline pulley you can trust.Adopted Stainless Steel Wheel shell and stainless steel ball bearing, this tandem double pulley is very lightweight and durable, making it portable for your outdoor adventure activities. 2.Strength MBS: 105*82mm;Material: Stainless Steel.3.Large Breaking StrengthClimbing zipline pulley is mounted on ball bearing, features smooth rotation up .This tandem pulley is sturdy enough to support up ,so it can guarantee your safety .4.Convenient to Carry Weighs only:289 g.As a general pulley for hauling or transporting equipement,holes for easily clipping carabiners, flexible enough for you to set your preferred zipline mode.5.Wide ApplicationThis climbing dual pulley could be used indoor and outdoor activities: in hauling, dragging, tensioning system, in rescue, great for back yard zip line setting,swing seats mountaineering, tyrolean, rescue applications tree climbing, zipline sports etc. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don""""t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it