[Functional]: Design makes it good for descending tight passages

In this way

Easy and quick adjustment with steel DoubleBack buckle

this tandem double pulley is very lightweight and durable

Climbing slings you can trust

UIAA & CE Certified Right Hand Ascender for 8~12MM Rope - Pro Black Climbing Gear [Functional]: Design makes it good[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