Those are likely the PING tuners that are screwless(on all the Korean models). I would stick with the same style unless you don't mind drilling the holes for the screw tab on the better
Gotoh tuners. With a locking nut, there's not much point in changing unless you just want a different color or some are damaged. Plenty of these on the bay. I have a set of chrome ones in my guitar bench. If Chrome is what you want, shoot me an email.