Locking RATIO machine heads for acoustic and electric guitar 🎸

RATIO Machine Heads are a high performance transmission for your guitar. The core tension of every string is different, each requiring a unique gear ratio to deliver tuning perfection. RATIO’s
patented gear technology delivers premium tuning performance every time by giving each string its own specific tuning gear.
graphtech.com/...

[@richardpadilla7190]

Thinking about a set of locking tuners for my Martin D-13e . Wold they be a direct drop in ?

[@PooNinja]

Don’t get your nuts in a bind! Lock it up at the post!