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Graph Tech Ratio 7-In-Line Electric Locking Tuning Machine Heads With Staggered Posts Chrome 7 String
With Ratio, a half turn is a semi-tone, delivering predictable, precise tuning on every string.
Graph Tech Ratio 7-In-Line Electric Locking Tuning Machine Heads With Staggered Posts Chrome 7 String
Item #: 170210855

Graph Tech Ratio 7-In-Line Electric Locking Tuning Machine Heads With Staggered Posts Chrome 7 String

Item #: 170210855

NZD 363

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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With Ratio, a half turn is a semi-tone, delivering predictable, precise tuning on every string.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Electric Locking Mechanism
These tuning machine heads employ an electric locking system to ensure strings stay securely in place, providing maximum tuning stability and reliability for performing musicians.
Staggered Post Design
The staggered post arrangement enhances tuning precision and assists with string angle, resulting in improved sustain and a more resonant tone for 7-string guitars.
Chrome Finish
With a sleek chrome finish, these machine heads add a stylish touch to your guitar while offering durability and resistance against tarnish, ensuring long-lasting aesthetics and functionality.

Product Details

Shop Graph Tech Ratio 7-In-Line Electric Locking Tuning Machine Heads With Staggered Posts Chrome 7 String online at a best price in New Zealand. 2687418609
BrandGraph Tech
MaterialCheck product label for specific material details.
ColorChrome
SizeChrome
Has written warrantyNo
ModelPRL-9721-C7
Weight0.8 lb (360 grams)

Who Should Buy?

Suitable For
  • Professional Guitarists

    Ideal for touring and studio musicians seeking reliable tuning stability and enhanced performance during live shows.

  • Players With 7 Strings

    Perfect for those using 7-string guitars who need precise tuning for extended range and low tuning capabilities.

  • Technical Players

    Great for players who frequently bend strings or perform complex techniques, ensuring consistent stay-in-tune performance.

Not Suitable For
  • Budget-Conscious Players

    Might not be suitable for beginners or musicians needing affordable gear without compromising too much on quality.

  • Traditionalists

    Not recommended for those preferring vintage-style tuners or avoiding modern features in their guitar setup.

  • Casual Hobbyists

    May be too advanced and expensive for casual players who don't require advanced tuning stability and locking features.

Product Description

Graph Tech Ratio 7-In-Line Electric Locking Tuning Machine Heads With Staggered Posts Chrome 7 String

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the benefits of staggered posts?

    Answer: Staggered posts eliminate the need for a string tree and improve tuning stability.
  • Question: How easy is it to install the tuning machine heads?

    Answer: Installation is quick and accurate with included InvisoMatch mounting plates.
  • Question: What does ‘a half turn is a semi-tone’ mean?

    Answer: This means that adjusting each tuning machine head by half a turn raises or lowers the pitch by a semi-tone for easier tuning.

Graph Tech Guitar Accessories Editorial Review

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“First time using Ubuy. Simple to use, well packed and faster than expected delivery. Was about the only way to get this item I've been after for almost a year … thank you Ubuy!”

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“First time using Ubuy and very impressed. Items arrived from the USA super fast and are such a top-quality product. I will definitely be back to purchase again. Cannot recommend you highly enough for a hassle-free & efficient service. Thank you so much. I am one very happy customer.”

14 May 2026 · via Trustpilot
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