● Live Data
Graph Tech · Guitars
Graph Tech PRL 8521 C7 Ratio Electric Locking Machine Heads with Contemporary knob - 7-String, 4 + 3 - Chrome
£164.00Fair Value1 stores tracked
Buy Signal
Price near historical average — neutral outlook
Confidence: 50/100
RSI (14)
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Need 15+ data points
Volatility (ann.)
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Need more data
30d Momentum
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Need 30+ data points
Price Position
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No 90d range data
EMA 20
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EMA 50
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Need 50+ data points
90d Low / High
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30d Forecast
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→ Stable
Product Fundamentals
- The Graph Tech PRL-8521-C7 Ratio Electric Locking Machine Heads are designed for 7-string electric guitars with a 4 + 3 configuration. Each tuning knob has a specific gear ratio, providing faster and more accurate tuning. The knobs feature a thumbwheel system that allows you to lock the strings for extra stability. With their chrome finish and modern knob style, they perfectly match any guitar. This set includes 7 tuning heads with 4 on the left and 3 on the right, including mounting plates for easy installation.
GearDeals Intelligence · Data from 0 historical price points · Analysis is informational only, not financial advice