Graph Tech GTR834 Ratio Locking Machine Heads for Electric/Acoustic Guitar (3-A-Side) Jack Sockets Vintage series

Vintage series

bakelite single ply pickguard and a set of factory installed USA Fender pickups to keep you twangin' all day long

including many parts that are custom-built specifically for DiMarzio

Low battery indicator: A flashing LED lets you know when you have less than 10% of battery life left

Graph Tech GTR834 Ratio Locking Machine Heads for Electric/Acoustic Guitar (3-A-Side) Jack Sockets Vintage seriesRATIO patented gear technology RATIO Calibrated Machine Heads incorporate different string gauges into the tuning equation. From Low E to High E 39: 1, 24: 1, 20: 1, 35: 1, 20: 1, 12: 1. We balanced the gear ratios to each string simplifying the tuning process. With RATIO, a half turn is a semi tone! Every string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string. The PRL 8311, 8322, 8331, 8341, and 8351 are right