Cover the head with tape. Dab the pins with some latex paint, align and press down. Remove and you have your marks to drill at. Do one tuner at a time, installing it before moving on to help with alignment.
*1962 Jazz. '74ish Ampeg V4B, 115/210. * '75 Gibson G3. *Epi Tbird. *Squier: VM Jazz, CV 50's P. *Squier VM Jazz Assoc. *MBC 641. Squier owners club