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SKU: GTR872

Graph Tech GTR872 Ratio Locking Machine Heads for Electric/Acoustic Guitar (6-In-Line)

Graph Tech GTR872 Ratio Locking Machine Heads for Electric/Acoustic Guitar (6-In-Line)

Regular price $179.99 AUD
Regular price $199.99 AUD Sale price $179.99 AUD
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RATIO® patented gear technology
RATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.

From Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1.

We balanced the gear ratios to each string simplifying the tuning process.

With RATIO®, a half-turn is a semi-tone!

Every string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.

The PRL-8721 and PRL-8731 are right-handed sets of Locking RATIO® Calibrated Machine Heads for electric guitars that use 6-in-line tuners.

It has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates.

4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.

Gear ratio: unique for each string position - one turn-one tone
Peg holes diameter required: 13/32" (10mm)
String post diameter: 0.236" (6mm)
String post length to string hole: 0.910” (23mm)
Weight per single machine head: 0.083lbs (38g)
Weight per set of six: 0.496lbs (225g)
String diameter up to 72 gauge
Includes 6 machine heads, mounting screws and bushings
Includes complimentary 4 sets of aluminum mounting plates

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Curious About Shipping?

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How much is shipping?

We offer free Australia-wide shipping for orders over $200 via standard courier services. For smaller items such as small parts and screws, we send via Australia Post regular mail service. All items below $200 are a flat $8.99 shipping rate. Express services are also available at an extra cost, just select it at the checkout and we'll get your order out extra fast!

How long does shipping take?

It varies based on the destination and the products ordered. Orders for items that are in stock with our Lewisham store "135 New Canterbury Road, Lewisham 2049", are usually shipped same day, however items ordered from "Deep Tone Warehouse Supply" are special order items that are not stocked in the store. These items can take 2-4 business days to arrive to us from the supplier; from there, the item will be dispatched from our store and the nominated method of shipping will be followed:

For "Standard" shipping:
  • VIC, SA and NSW: 2-4 days
  • QLD: 3-5 days
  • NT, WA and TAS: 5-10 days +
For "Express" shipping:
  • VIC, SA and NSW: 1-2 days
  • QLD: 1-2 days
  • NT, WA and TAS: 1-3 days

These estimates do not apply if the destination is regional or remote. Once orders leave our warehouse we have no control over the actual shipping time, however we'll do everything we can to ensure a prompt and problem-free delivery experience. If you need a more accurate estimate of shipping time please contact us.

Where do you ship?

We ship to most destinations in Australia, as well as overseas! We've shipped all over the world and if you're an international buyer, g'day and welcome! Rest assured whether it's Australia or the otherside of the world, your item will arrive safely, securely and fully insured. If the checkout is not allowing your shipping address, please contact us and we will see what we can do to help.

Who do you ship with?

We use Couriers Please, Aramex and various other couriers for our shipments, as well as Australia Post for smaller items!

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