It really is 12x1.25...
If the 2007s have the reverse lockout, where you need to lift the plastic guy to get into reverse, you'll have to either find a knob that is compatible with that feature or delete the reverse lockout by removing the mechanisms.
Mine: 2008 Saab 9-3 Aero SportCombi XWD: 82k, Black, MANUAL
Gone: 2002 SVT, #1654
Hers: 2010 Focus SES: 70k, Ebony, Auto, Moon and Tune