Fingerease Guitar String Lubricant Guitar Center Lubricating guitar tuners StewMac So I have a fender, an epiphone, and a Yamaha. All with vintage tuners. What's the best lubricant for these tuners? They're all perfect; and don't need to be changed, althoughI have MUSIC NOMAD TUNE IT NUT AND SADDLE LUBRICANT Rockshop Reviving and maintaining old (and new) tuning machines What grease would you use to lubricate tuners on a classical guitar. I found using Petroleum Jelly (vaseline) too light. Any suggestions would be great.