this tandem double pulley is very lightweight and durable

Mountain Climbing

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

If you need to haul heavy objects

harness Weight limited:125KG/ 276 lbs

UIAA & CE Certified Right Hand Ascender for 8~12MM Rope - Pro Black Climbing Gear this tandem double pulley is[Safty Guarantee]: UIAA & CE Certified: 1019 435 EN 567: 2013 ensures its security, hand ascender you can trust. [Light Weight Ascender]: The aluminum alloy frame is light yet durable,Weighs only 0. 52 lbs (237g)Weight limited: 4KN 881 Ib,Breaking strength: 4 KN. Tension: 4 KN. for 8~13MM Rope. [Ergonomic rubber handle]: Comfortable ergonomicrubber handle fits your finger well,adds the friction and protects climber's hand,wide opening allows the