16mm XNZ socket ... commonly referred to as a triple square socket.
1/2" drive.
Application: Porsche, Audi, VW, Other
Rear brakes calipers: Porsche Cayenne, Audi Q7, VW Touareg.
Select VW, Porsche, Audi transmission drain plugs (confirm that your drain plug does not have an anti-tamper pin).
WARNING: California prop 65 - This product contains chemicals known to the state of California to cause cancer, birth defects or other reproductive harm. For more information go to https://www.p65warnings.ca.gov/