AUSTRALIA'S #1 ACOUSTIC GUITAR SPECIALIST

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Martin Guitars String Height Action Gauge

The Martin Guitars String Height Action Gauge is a must-have tool for players and luthiers who demand precision and consistency in their setups. Designed by one of the most trusted names in acoustic instruments, this handy gauge helps you dial in ideal string action for enhanced comfort, tone, and performance.

With both standard and metric units, the gauge is compatible with virtually any stringed instrument — including acoustic and electric guitars, basses, mandolins, and ukuleles. Whether you're setting up for the first time or fine-tuning a professional rig, this durable gauge provides the clarity and accuracy needed to achieve perfect string height at the 12th fret and beyond.

  • Dual-unit gauge for measuring in standard and metric

  • Suitable for guitars, basses, mandolins, ukuleles, and more

  • Precision markings for quick reference and optimal setup

  • Ideal for achieving clean, buzz-free low action

  • Trusted by luthiers and guitar techs worldwide

  • Measurement Units Standard and Metric

  • Material Metal

  • Application String height/action measurement

  • Suitable For Guitars, basses, mandolins, ukuleles, and other fretted instruments

  • Recommended Use 12th fret action adjustment

Instruments & Amps

  • Free courier shipping on orders over $999 to eligible metro areas

  • $49–$69 standard shipping on lower-value orders

  • Express shipping available for an additional fee

  • Regional and remote areas may incur higher freight costs

Accessories

  • Free standard shipping on orders over $99

  • Flat $11 shipping under $99

  • $15 express shipping available

Delivery Details

  • All orders ship with tracking

  • Instruments and large items require signature on delivery

  • If freight costs exceed expectations, we’ll contact you before shipping

Shipping rates, eligibility, and delivery options are confirmed at checkout based on your location.

Ways To Pay

Buy Now, Pay Later

  • Zip – 3 months interest-free under $1,000, 6 months interest-free over $1,000

  • Afterpay – available at checkout

Pay in Full

  • Credit & Debit Card

  • PayPal

  • Bank Transfer

Rent to Own

  • Studio19 Rentals – low monthly payments with the option to buy later

All prices are in AUD and include GST. Payment options are shown at checkout.

Returns

  • If something’s not right, please contact us first and we’ll help you work through the best solution

  • Returns, exchanges, repairs, or credits are available for faulty or misdescribed items

  • Return requests should be made within 7 days of delivery

  • Freight charges aren’t refundable

  • Non-faulty returns may incur return shipping and a small restocking fee

  • Opened consumables (including strings and picks) can’t be returned

Returns are assessed case-by-case so we can ensure the fairest outcome for everyone.