nitous button on shifter

[01redm5]

im lookin for a shifter knob with a push button already on it. do any of yall know where i can find one? or how about the thread pattern so i can search for it by that, thanks in advance?

[mrr23]

http://bmracing.com/index.php?id=products&sid=4&cat=2&subcat=4&pid=85 b/m makes one. not sure of the thread pitch though.