To end all confusion, I was referring to an external socket, not a triple square or xzn bit like Markus showed. What I have found is either a 12 point socket or a spline socket. I bought a 12 point 10mm at Home Depot and it works fine. Here's 2 pix:
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James now has: 2008 987S 6 speed
Crashed: 2010 987.2 pdk in speed yellow!
Sold to a cool racer chick: 2004 986 S
YouTube channel: the PORSCHE as seen by NewArt www.youtube.com/channel/UCohdrH2xHTklM1thxk0KKOQ?