2 Left 2 Right Inline Sealed Bass Tuners Tuning Pegs Keys Machine Heads Set for Precison Bass or Jazz Bass (Chrome)

Universal Compatibility: Designed for bass guitars with 13.8mm (≈0.54") peg holes. Ideal for thin headstocks (under 15.5mm thickness).Premium Build: Combines an alloy fishtail handle, A3 steel plate, easy-cutting iron string posts, and durable copper gears for smooth, stable tuning.16:1 Gear Ratio: Precision engineering ensures accurate pitch control and reduced slippage.Customizable Configuration: Choose between 2 left + 2 right or 4 right installation options. Available in black or chrome finishes.Installation Note: Fully enclosed fishtail nut design; do not overtighten to avoid incompatibility with thin headstocks.Package Includes: 4 tuning keys, 4 hex nuts, 4 washers, and 4 screws. Refer to size diagram for detailed specifications.

• Precision Tuning for Thin Headstocks – Fits 13.8mm (≈0.54") peg holes, optimized for bass guitars with headstock thickness <15.5mm.
• Durable All-Metal Construction – Alloy fishtail handle, A3 steel plate, and corrosion-resistant copper gears ensure long-lasting performance.
• Smooth 16:1 Gear Ratio – High-precision tuning stability for seamless pitch adjustments, ideal for live performances.
• Flexible Configuration & Colors – Choose from black/chrome finishes and 2L2R or 4R setups to match your bass guitar’s style.
• Complete Installation Kit – Includes hex nuts, washers, and screws for hassle-free setup.