Yes, it will work with the model 12-2.
The S&W model 66 is a K-Frame Revolver, I would recommend using the Hogue S&W K&L Conversion Finger Grooves Frame Round Butt Grip, found by using the link below:
https://www.opticsplanet.com/hogue-s-w-k-l-conversion-finger-grooves-frame-round-butt-grip.html
The Pachmayr Handgun Grip for Smith & Wesson might fit the Smith and Wesson Model 10-7 since it is a K Frame Revolver. You will need model number 00460.
The Pachmayr Handgun Grip will not fit a Colt King Cobra. However, we do carry grips that can fit the Colt King Cobra that you can find using the following link:
https://www.opticsplanet.com/s/colt-king-cobra?_iv_categories=gun-grips
Yes, the J-frame grips would work: YR-G6-852GH3-456
You need the L-frame model: YR-G6-852GH3-460
You would need this model: YR-G6-852GH3-455
Yes we do: YR-G6-852GH3-460
Yes, the K-frame grip will fit your application.
Yes, just get the N-frame grips.