Graves Pneumatic Preload Adjuster Tool in black color, is used for engaging / disengaging the Graves pneumatic preload adjuster shock collars. See view below for the tool in action.
NEW FEATURES:

Octagon shaped to prevent rolling in the event of a DROP!
Recessed gauge – This protect the gauge incase of a drop
Improved Line strength

Note :Must charged with 20 bar nitrogen, tool will delivered empty.