Quote:
Originally Posted by JayG
I think you are referring to triple square. It is a socket, kind of like a spline socket
Also known as E socket
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The E sockets are female 6 point TORX sockets, not female triple square sockets.
The triple square XZN bits are 12 point splines. Think taking a square spline and rotating it twice, hence "triple square". A good set for Boxsters is the Neiko Tools set, made in Taiwan (not China). It has a short M10 for the bellhousing bolt and a tamper-proof M16 for the 5 speed tranny drain plug.
IIUC Harbor Freight doesn't have any triple square bits at present.