so that two ropes can be used at the same time without causing mutual entanglement

[Powerful & Durable]:Solid stainless steel cam made of stainless steel

Stop wheel is connected to the lower handle and the stop wheel through the connecting rod

Half body Climbing Harness you can trust

So you can retrieve it from the ground by placing a retriever ball onto your climbing line

NewDoar CE Certified 25/28KN Tandem Double Speed Pulley-Black Sling so that two ropes can[Safty Guarantee] CE certification EN12278,CE 1019. 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. [Strength] MBS: 25 KN(5511 lb)(2500kg); Dimensions: 4. 2inch(10. 7cm) * 3. 2inch(8. 3cm); Material: Stainless Steel. [Large Breaking Strength] Climbing zipline