I have a Jackson PS1 (strat copy) that I purchased new in 1998 and am looking for replacement tuners, possibly locking. I had to return GOTOH locking tuners that I just got as the screw hole did not line up. I use the guitar for about 80% of the tunes on shows and has great action and good tone for classic rock. Only other mods are active electronics.

Schaller M6L locking tuners should be a direct fit replacement.. Make sure they are the XL (21mm) when you purchase them.. Good luck..

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Chaos, panic, and disorder.. My work is done here.

ok thanks for the information. I think Stewart Mac carries Shaller stuff as I picked up a PS4 off of ebay cheap but had to replace the floyd rose and ended up getting a Shaller floyd rose, direct drop in.