The PRN-4624 is a right-handed set of open RATIO® Calibrated Machine Heads in a retro look for electric guitars that use 6-in-line tuners.
Fits vintage style guitars (e.g. Fender Style).
Please note that GraphTech retro tuners are made to a vintage specification (for 11/32” peghead holes) and will not be a direct replacement for a modern tuner. Please check the specifications below.
Gear ratio: unique for each string position - one turn-one tone
Peg holes diameter required: 0.346" (8.8mm)
String post diameter: 0.236" (6mm)
String post length to string hole: 0.827” (21mm)
Weight per single machine head: 0.056lbs (25.5g)
Weight per set of six: 0.337lbs (153g)
String diameter up to 72 gauge
Includes 6 machine heads, mounting screws and bushings
About GraphTech
Graph Tech's mission is to "improve the playing experience!" Whether it's drastically reducing string breakage, tuning faster, staying in tune longer, or creating more harmonics and richness, Graph Tech products deliver; guaranteed.
From a kitchen table start up in the early 1980’s Graph Tech Labs has become the undeniable #1, an innovative and unique institution, inventing, patenting, and producing an endless selection of essentials to improve and enhance tone, playability, reliability and versatility for all fretted instruments and players.
Famous for nuts, Graph Tech’s proprietary Tusq, NuBone and NuBone XL top nut and saddle materials offer a limitless choice of options for players to “up their tone”. Technological advances such as Ratio Tuners improve tuning speed and accuracy. Graph Tech’s Ghost Acousti-Phonic modular pickup system lets you “Be the Band”, with a studio quality true acoustic tone and Ghost Hexpander MIDI compatible output and unparalleled tracking, at the flick of a switch.
Explore the world of Graph Tech and discover why over 140 of the worlds top guitar brands fit GraphTech as original equipment, and countless guitar builders, repairers and players have chosen Graph Tech nuts, nut lubricants, saddles, bridges, bridge pins, string trees, picks, machine heads, electronics, pickups, and hand treatments to enhance the performance of their instruments and playing.
From a kitchen table start up in the early 1980’s Graph Tech Labs has become the undeniable #1, an innovative and unique institution, inventing, patenting, and producing an endless selection of essentials to improve and enhance tone, playability, reliability and versatility for all fretted instruments and players.
Famous for nuts, Graph Tech’s proprietary Tusq, NuBone and NuBone XL top nut and saddle materials offer a limitless choice of options for players to “up their tone”. Technological advances such as Ratio Tuners improve tuning speed and accuracy. Graph Tech’s Ghost Acousti-Phonic modular pickup system lets you “Be the Band”, with a studio quality true acoustic tone and Ghost Hexpander MIDI compatible output and unparalleled tracking, at the flick of a switch.
Explore the world of Graph Tech and discover why over 140 of the worlds top guitar brands fit GraphTech as original equipment, and countless guitar builders, repairers and players have chosen Graph Tech nuts, nut lubricants, saddles, bridges, bridge pins, string trees, picks, machine heads, electronics, pickups, and hand treatments to enhance the performance of their instruments and playing.