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Amazon.com : PETZL P21 Tandem Double Pulley for Tyrolean Traverses On Rope : Climbing Pulleys : Sports & Outdoors
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Petzl Unisex's Spin L1D Simple Pulley with Very High Efficiency with Unique Sense of Rotation and Walker, Yellow, Taglia Unica : Sports & Outdoors
![Amazon.com : PETZL P21 Tandem Double Pulley for Tyrolean Traverses On Rope : Climbing Pulleys : Sports & Outdoors Amazon.com : PETZL P21 Tandem Double Pulley for Tyrolean Traverses On Rope : Climbing Pulleys : Sports & Outdoors](https://m.media-amazon.com/images/I/71A-iKrvhUL._AC_SL1500_.jpg)
Amazon.com : PETZL P21 Tandem Double Pulley for Tyrolean Traverses On Rope : Climbing Pulleys : Sports & Outdoors
![Petzl Unisex's Spin L1D Simple Pulley with Very High Efficiency with Unique Sense of Rotation and Walker, Yellow, Taglia Unica : Sports & Outdoors Petzl Unisex's Spin L1D Simple Pulley with Very High Efficiency with Unique Sense of Rotation and Walker, Yellow, Taglia Unica : Sports & Outdoors](https://m.media-amazon.com/images/I/61gZFcn2e9L._AC_SL1500_.jpg)