The Petzl AM'D Ball Lock Karabiner is a large multi purpose locking biner. The D-shape makes it one of the strongest and lightest locking carabiners Petzl makes.
The karabiner opens by pushing in a small ball (button) on the gate which unlocks the system so you can twist it to open - simple and quick
|Petzl AM'D Ball Lock Karabiner|
|Closed Gate - 28kN||21mm||78g|
|Open Gate - 8kN|
|Minor Axis - 7kN|