Grover 102C Original Rotomatics Guitar Tuning Machines Chrome (3+3 Set)

The Grover 102C Original Rotomatics® are among the most recognized and trusted guitar tuning machines ever produced. Renowned for their precision engineering, smooth operation, and long-term reliability, these tuners have been a preferred choice of musicians and guitar manufacturers for decades. Featuring a precision-cut worm gear and gear assembly, the 102C Rotomatics provide smooth, accurate tuning with minimal backlash and slippage. The enclosed housing is permanently lubricated for maintenance-free performance and designed to provide optimal support for the worm gear, string post, and internal components. A countersunk adjustable tension screw allows players to customize tuning resistance to their preferred feel. Whether you’re replacing worn tuners or upgrading your guitar, the Grover 102C delivers dependable tuning stability and professional-grade performance. Grover’s commitment to quality has made Rotomatic tuners standard equipment on many of the world’s finest guitars. Backed by Grover’s Lifetime No-Fault Warranty, the 102C remains one of the most trusted tuning machine upgrades available. Features • Original Grover Rotomatic® tuning machines • Precision-cut worm gear design • Smooth, accurate tuning operation • Enclosed sealed gear housing • Permanently lubricated for maintenance-free performance • Adjustable button tension screw • Reduced backlash and slippage • Excellent tuning stability • Durable chrome finish • Ideal replacement or upgrade for many guitars • Backed by Grover’s Lifetime No-Fault Warranty Specifications Model: 102C Series: Original Rotomatics® Intended Instrument: • Guitar Configuration: • 3 Treble Side • 3 Bass Side • 3+3 Layout Gear Ratio: • 14:1 Finish: • Chrome Peg Hole Diameter: • 0.391” Housing Type: • Enclosed Sealed Housing Lubrication: • Permanently Lubricated Adjustment: • Countersunk Tension Screw Manufacturer Part Number: • 102C Included Hardware • Six Grover 102C Tuning Machines • 5/8” Washers • Bushings • Mounting Screws Performance Benefits • Smooth tuning action • Precise pitch adjustments • Reduced gear backlash • Long-term reliability • Maintenance-free operation Ideal For • Electric Guitars • Acoustic Guitars • Guitar Upgrades • Replacement Tuning Machines • Professional Performers • Studio Musicians • Repair and Restoration Projects Manufacturer Grover Musical Products For over a century, Grover has been producing premium tuning machines trusted by musicians worldwide. The 102C Original Rotomatics continue that tradition with precise tuning performance, rugged durability, and legendary reliability.