naxen zip line pulley tandem speed dual trolley with oval carabiner naxen <br><b>looking for a safe tandem trolley for your backyard zipline set? <br>try naxen zipline pulley!</b> <br><br><b>never get rust.</b> <br>made from stainless steel(sheaves) and aircraft aluminum alloy(plate), the pulley can easily handle any outdoor enviornment. <br><br><b>cable compatible.</b> <br>with stainless steel sheaves, the tandem trolley can work on cable and textile rope both. <br><br><b>smooth rotation.</b> <br>thanks to ball bearing, naxen zipline pulley features great smooth, maximum speed rating up to 35 m/s. <br><br><b>super sturdy.</b> <br>the mbs of this pulley is rated at 30kn (6700lbs). <br><br><b>professional oval carabiner available.</b> <br>you can choose our professional carabiner to connect with the pulley. <br><br><b>specification</b> <br><b>pulley</b> <br>material: <br>-sheave: stainless steel <br>-plate: aircraft aluminum alloy <br>break strength: 30kn <br>maximum allowable speed: 35 m/s. <br>ball bearing: yes <br>max rope size: <br>-rope: 13 mm <br>-cable: 12 mm <br>certification: ce en12278 <br><br><b>carabiner</b> <br>material: stainless steel <br>breaking strength: 25kn <br>certification: ce en362