Petzl PAW MDescription For easy organization of the workstation and setup of multi anchor systems: 19 mm holes allow the locking sleeves of most carabiners to pass through, enabling the carabiner to be rotated hole design allows ropes or slings to be threaded for direct connection. main attachment hole accepts up to three carabiners the odd number of attachment holes enables the system to be centered and balanced up to three users can be connected at the same