● Live Data
Graph Tech · Guitars
Graph Tech PRL 8521 B7 Ratio Electric Locking Machine Heads with Contemporary knob - 7-String, 4 + 3 - Black
£168.00Fair 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-B7 Ratio locking machine heads are ideal for 7-string electric guitars. With a sealed construction and a unique gear ratio for each string, they offer a fast and precise tuning experience. The InvisoMatch mounting plates allow you to use existing screw holes, making installation easy. The mini contemporary knobs provide a stylish look, and the black finish gives a modern look to your instrument.
GearDeals Intelligence · Data from 0 historical price points · Analysis is informational only, not financial advice