14-Piece Guitar Luthier Tool Kit – String Action & Radius Gauge Set

Get precise, professional-grade measurements every time with this comprehensive 14-Piece Guitar Luthier Measuring Tool Kit. Whether you're setting up a new guitar, fine-tuning string action, or perfecting fretboard radius, this stainless steel toolkit gives you everything you need in one convenient set.

Made in Mainland China.

What's in the Kit?

• 4 x Notched Radius Gauges – Accurately match fretboard radii for perfect nut and saddle shaping
• 9 x Understring Radius Gauges – Measure and match string radius to your fretboard curve with ease
• 1 x String Action Ruler – Precisely measure string height at the nut and saddle for optimal playability
• 1 x Storage Bag – Keeps all 14 tools organized, protected, and ready for your next setup

Why Luthiers & Guitar Enthusiasts Love It

• Premium Stainless Steel Construction – Durable, rust-resistant metal ensures long-lasting accuracy
• Complete Setup Solution – Covers all critical measurements needed for a full guitar setup in one kit
• Wide Compatibility – Suitable for electric guitars, acoustic guitars, bass guitars, and more
• Beginner & Pro Friendly – Clear markings make it easy to use whether you're learning luthiery or a seasoned tech
• Compact & Portable – Included storage bag keeps your tools tidy at home or on the go

Specifications

• Material: Stainless Steel
• Color: Silver
• Piece Count: 14 pieces
• Measurement Tolerance: ±0.01–0.02 mm (manual measurement)
• Batteries Required: No

Package Includes

• 4 x Notched Radius Gauge
• 9 x Understring Radius Gauge
• 1 x String Action Ruler
• 1 x Storage Bag

Looking for more workshop tools and accessories? Check out our Garden Pruner Shears for Precision Cutting or keep your projects organized with our Large Capacity Zipper Organizer Bag.

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Frequently Asked Questions

Q: What guitar types is this luthier measuring tool kit compatible with?

A: This 14-piece guitar luthier measuring tool kit is compatible with a wide range of stringed instruments, including electric guitars, acoustic guitars, classical guitars, and bass guitars. The variety of radius gauges covers the most common fretboard radii found across major guitar brands and styles.

Q: How do I use the string action ruler in this guitar setup kit?

A: The string action ruler is placed alongside the strings at the nut or saddle to measure the string height above the frets. This helps you determine whether the action needs to be raised or lowered for optimal playability and tone. Clear measurement markings make it straightforward to use for both beginners and experienced luthiers.

Q: Are the radius gauges in this kit accurate enough for professional guitar setups?

A: Yes. All gauges are crafted from precision stainless steel with a tolerance of only ±0.01–0.02 mm, making them suitable for professional-level guitar setups, fret leveling, nut slotting, and saddle shaping. The notched radius gauges are especially useful for verifying fretboard radius before and after setup work.