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Your go-to belay biner.

Unlike most locking carabiners, Petzl made its Attache 3D Locking Carabiner specifically for belaying whether you're using an auto-locker, an ATC, or even a munter hitch. The aluminum and H-shaped cross section make sure this lightweight biner remains durable with its excellent strength-to-weight ratio. It has a medium size to accommodate any belay device with ease, and the wide surface area allows superb rope glide that also reduces wear on the biner for fantastic longevity. The screw-lock sleeve is easy to use and provides efficient clipping, and the visual indicator clearly points out whether it's locked or not. This pear-shaped carabiner also features a keylock nose for snag-free clipping every time.

  • Aluminum with H-shaped cross section
  • Screw-lock with visual indicator
  • Keylock nose
  • Pear shaped carabiner with wide contact surface

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Here's what others have to say...



Posted on

Still in excellent condition. These can take a beating!

5 5

Favorite locker!

  • Familiarity: I've put it through the wringer

I've used these for several years now and they've withstood the rigors of time.

They are small and handle wonderfully. I prefer these for belaying because of their smaller size in relation to others, hence easy handling.

I use the Petzl William lockers for setting top rope achors or after leading a pitch for others to follow because they are slightly larger. This allows more rope and sling space.

These are too small for much versatility so I recommend them as belay carabiners.

(Pic-After 2+ years of use.)

Favorite locker!

Award Winning Carabiner

Posted on

Learn why the Attache 3D won an American Alpine Institute Guides Choice Award.

Unanswered Question

Any thoughts on the new version? Can someone...

Posted on

Any thoughts on the new version? Can someone compare to the previous version of this biner?