Updated 17 May 2026
| Brand | Graph Tech |
| Category | Guitars and Basses > Guitar & Bass Spare Parts > Guitar/Bass Machine Heads > Miscellaneous Tuning Machines for Guitar |
| Available at | 1 UK stores |
| 90-day avg | £148.90 |
Graph Tech
Graph Tech PRL-8721-C0
£149.90Fair Price
Cheapest at Thomann · 1 store
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PRICE HISTORY
Current
£140
Change
+12.8%
Avg
£138
Low
£122
High
£146
Volatility
4.2%
PRODUCT DESCRIPTION
- Graph Tech PRL-8721-C0
- Locking Machine Heads for Electric Guitar
- 6 Pieces for 6-in-line arrangement
- Bass Side/Right Hand
- Incorporate string gauges in tuning equation, half turn equals half tone on each string
- Quicker and more accurate tuning of each string
- Thumb wheel screw on the back for locking the string
- Contemporary tuning buttons
- Closed construction
- 2-Pin mounting
- Mounting hole diameter: 9.7 mm
- Axis diameter: 6 mm
- Ratio E - 12:1
- B - 20:1
- G - 35:1
- D - 20:1
- A - 24:1
- E - 39:1
- Finish: Chrome
- Incl. InvisoMatch standard mounting plates for the use of existing screw holes