I got these for my Harley Benton 335 style guitar. I did a total overhaul of the guitar and the old tuners on it did barely move. Since these are tuners used on Epi Casinos, i thought it would be a nice fit.
Easy to change, but some screws were poor. No affection on how they work. smooth like lube and they stay in tune for playing. No need to use muscles to tune.
Recommended if new tuners are required