Graph Tech PRL-8721-LB7 Machine Head

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Set of Locking Machine Heads for Electric Guitar

7-String left-handed set
Model: 7-in-Line
Bass side (Right)
Each machine head has its own transmission ratio calibrated for the respective string
Half turn corresponds to 1 semitone per string
Faster, more accurate tuning of each string
Locking screw on the back to clamp the string in place
Contemporary Mini knobs
Enclosed construction
2-Pin mounting
Shaft diameter without mounting sleeve: 6 mm
Axis diameter with mounting sleeve: 9.8 mm
Gear ratio: E - 12:1, B - 20:1, G - 35:1, D - 20:1, A - 24:1, E - 39:1, B - 48:1
Weight per piece: approx. 38 g
Colour: Black
Incl. 4 sets of InvisoMatch standard mounting plates to use existing screw holes