winged locking tuners

I've got a Custom 22 with the first gen locking tuners. Need to tune down to B standard for a project and got a set of Ernie Ball Cobalt 12-56. I can't get the tuner to grip the lowest string however. What are the thickest string that are usable with those tuners? Any tricks to use?

im looking to replace the original winged locking tuners on my 93 CE24. Are there any direct drop ins? Does not need to be a locking tuner, just something I don't need to drill new holes for.

Hi there. I got a Core 22 with winged locking tuners last December and I was a little puzzled about how to use them. Then after doing some research and posting photos, @DISTORT6 mentioned that a lot of people might not know how to set these up properly. Long story short, I've made a video 'how...