🎸 Guyker SR9 Electric Guitar String Retainer – No-Drill Headstock Solution

No Drilling | Quick Install | Solid Build | Designed for 6-String Guitars

The Guyker SR9 String Retainer is a uniquely engineered string guide that improves string tension and tuning stability—without the need to drill into your guitar’s headstock. With a no-modification, slip-on design, this retainer simply mounts onto your tuner posts, making installation effortless and 100% reversible.

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🔧 Key Features:

• No-Drill Installation – Installs directly onto the tuner shaft without any screws or drilling. Perfect for sealed tuner types like Gotoh, Grover, or Schaller.

• Enhanced String Tension – Keeps strings properly seated on the nut, reducing slippage and improving tuning stability. Ideal for setups with low string action or locking bridges.

• Durable Construction – Made from high-strength metal with a 1.5mm thick body to resist bending and wear during extended use.

• Two Sizes Available – Choose between 23.5mm and 20.5mm lengths to best match your headstock layout and tuner spacing.

• Polished Finish – Sleek design that blends with most tuner hardware for a clean, upgraded look.

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📏 Specifications:

• Model A: Length: 20.5mm | Outer Ring Diameter: 14mm | Inner Hole: 8.1mm | Guide Distance: 11mm

• Model B: Length: 23.5mm | Outer Ring Diameter: 14mm | Inner Hole: 8.1mm | Guide Distance: 14mm 

• Thickness: 1.5mm | Vertical String Guide Height: 5.5mm

Tip: Measure your tuner spacing before selecting the size to ensure proper fit and function.

Size picture

A style

B Style