Guyker Guitar Bass Tuners (4 for Right) - 1:17 Ratio Headstock Sealed Tuning Key Pegs Machine Head Replacement for Electric Jazz Bass or Precision Instruments - Black

• Precision 17:1 gear ratio with sealed lubrication, cast housings and metal knobs.
• Common size 13.7mm (0.54 inch) headstock peg hole.
• Mounting hardware (screws, bushings and washers) included.
• Sealed bass tuning machines for electric bass, like jazz Ibanez style bass.
• Please check the parameter drawing in the attached pics before placing your order.

Precision 17:1 gear ratio enclosed Guyker bass guitar tuners fit for Jazz bass or Ibanez style electric bass guitar. Feature: - Gear Ratio - 1:17, designed to fit modern 13.7mm headstock holes. - Comfortable and easy for adjustment of string tension. - Quality sealed bass machine heads with heavy-duty internal gear. - Replacement/Upgrade parts for electric or acoustic bass or precision instruments. - Smooth and shiny, wear-resistant, anti-corrosion, and dust-proof, quick and accurate tuning. - Exquisite appearance with perfect workmanship and high-tech finish. - Provides finer tuning and greater stability. - Complete with color matched threaded bushings, washers and screws. Specifications: - Ratio: Gear Ratio - 1:17 - Style no.: GK150 - 3 Color available: Chrome, Gold, Black Package Includes: - GK150 bass tuners set (4R, 4L, 2R2L or 3R2L for choose) - Nut, Ferrule, Screws included