what size is the socket for the upper ball joint of a /6 1966 valiant

bcschief said
Made one from a craftsman 1 3/4 socket 3/4 drive ground out 4 points of a 12 point socket

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I believe I got a 1 59/64, or something close to that, from Summit for about $13. Slightly sloppy, but did the job...and did NOT cost $50 like the specialty sockets