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Here's what other sites are saying:
Features of the Mad Rock Hulk Triple Auto Lock Carabiner Automatic locking system Resistant to accidental opening when locked Key-lock gate Uses a key-shaped nose on a carabiner for a snag-free closure
Mad Rock's Hulk HMS Twist Carabiner is a mean, green, locking machine that your climbing partners will trust every time they go for the whipper. A burly breaking strength gives this big biner long-lasting durability. Mad Rock Fixed it with a unique Twist locking gate for auto-locking security and a keylock nose for snag-free ease.
Mad Rock Carabiners Hulk HMS Carabiner-Green-Triact Lock 870559025782. A smooth and large radius ensures high performance and the Key-Lock nose allows for quicker and snag-free operation.
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