Graph Tech PRL-9721-B0 Staggered Locking Tuners

The PRL-9721 is a right-handed set of Locking RATIO® Calibrated Machine Heads for electric guitars that use 6-in-line tuners with staggered posts (eliminates the need for a string tree).

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GRAPRL9721B0

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    The Graphtech PRL-9721 is a right-handed set of Locking RATIO Calibrated Machine Heads for electric guitars that use 6-in-line tuners with staggered posts (eliminates the need for a string tree).


    Graph Tech PRL-9721-B0 Staggered Locking Tuners Features:

    • 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.
    • Includes 6 machine heads, mounting screws and bushings
    • Includes complimentary 4 sets of aluminum mounting plates
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    Graph Tech PRL-9721-B0 Staggered Locking Tuners Specifications

    Graph Tech PRL-9721-B0 Staggered Locking Tuners Specifications
    Product Specifications

    Graph Tech PRL-9721-B0 Staggered Locking Tuners Specifications:

    • 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: 0.827” (21mm) - 0.787" (20mm) - 0.748" (19mm)
    • Weight per single machine head: 0.083 lbs (38g)
    • Weight per set of six: 0.496 lbs (225g)
    • String diameter: up to 72 gauge
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