Tuner

    Trim-Lok Locking Tuners

    by Sperzel

    A widely used locking tuner line offering both vintage and modern bore versions, a common alternative to Fender, Gotoh and Schaller locking lines.

    Easy install

    11 guitars checked: 3 likely drop-in, 3 needs verification, 5 requires modification.

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    Price

    Not published

    We haven't added a verified place to buy this one yet.

    Part specs

    Bridge type

    Not published

    Needs verification

    Pickup type

    Not published

    Needs verification

    Tailpiece

    Not published

    Needs verification

    String spacing

    Not published

    Needs verification

    Tuner hole size

    10mm

    Confirmed

    Scale length fit

    Not published

    Needs verification

    Dimensions (L × W × D)

    Not published

    Needs verification

    Guitars we've checked

    11 guitars checked: 3 likely drop-in, 3 needs verification, 5 requires modification.

    Fender American Ultra Stratocaster

    Fender

    American Ultra Stratocaster 2023

    Likely drop-in

    Matches the tuner holes already on this guitar. A well established alternative to Fender and Gotoh locking lines.

    Why we say this

    Sperzel's standard locking line uses the modern 10mm bore matching this guitar's tuner holes.

    Fender Player Stratocaster

    Fender

    Player Stratocaster 2023

    Likely drop-in

    Matches the tuner holes already on this guitar. A well established alternative to Fender and Gotoh locking lines.

    Why we say this

    Sperzel's standard locking line uses the modern 10mm bore matching this guitar's tuner holes.

    Fender Player Telecaster

    Fender

    Player Telecaster 2023

    Likely drop-in

    Matches the tuner holes already on this guitar. A well established alternative to Fender and Gotoh locking lines.

    Why we say this

    Sperzel's standard locking line uses the modern 10mm bore matching this guitar's tuner holes.

    Fender American Professional II Stratocaster

    Fender

    American Professional II Stratocaster 2023

    Needs verification

    Should fit closely, but this guitar's exact hole size has not been independently confirmed. Worth measuring first.

    Why we say this

    Sperzel's standard line uses a 10mm bore, but this guitar's exact hole diameter is only cited at roughly 10.26mm in a single forum source, not manufacturer-confirmed.

    Fender Player Plus Stratocaster

    Fender

    Player Plus Stratocaster 2022

    Needs verification

    This guitar already has factory locking tuners of a different design. Confirm your peghole size before ordering.

    Why we say this

    This guitar ships with a different factory locking tuner design (short-post) than Sperzel's standard 10mm line assumes. Bore compatibility has not been independently confirmed.

    Fender Player Plus Telecaster

    Fender

    Player Plus Telecaster 2022

    Needs verification

    This guitar already has factory locking tuners of a different design. Confirm your peghole size before ordering.

    Why we say this

    This guitar ships with a different factory locking tuner design (short-post) than Sperzel's standard 10mm line assumes. Bore compatibility has not been independently confirmed.

    Fender American Vintage II '70s Stratocaster

    Fender

    American Vintage II '70s Stratocaster 2023

    Requires modification
    Drilling

    This is the modern-bore version of this tuner. Your guitar has vintage-style holes, so this specific version would need reaming.

    Why we say this

    This catalog entry is Sperzel's modern 10mm line. This guitar has a genuinely vintage-spec headstock, so these would need the holes reamed out.

    Fender JV Modified 50s Stratocaster HSS

    Fender

    JV Modified 50s Stratocaster HSS 2023

    Requires modification
    Drilling

    This is the modern-bore version of this tuner. Your guitar has vintage-style holes, so this specific version would need reaming.

    Why we say this

    This catalog entry is Sperzel's modern 10mm line. This guitar has a genuinely vintage-spec headstock, so these would need the holes reamed out.

    Fender Vintera II '50s Stratocaster

    Fender

    Vintera II '50s Stratocaster 2023

    Requires modification
    Drilling

    This is the modern-bore version of this tuner. Your guitar has vintage-style holes, so this specific version would need reaming.

    Why we say this

    This catalog entry is Sperzel's modern 10mm line. This guitar has a genuinely vintage-spec headstock, so these would need the holes reamed out.

    Fender Vintera II '70s Stratocaster

    Fender

    Vintera II '70s Stratocaster 2023

    Requires modification
    Drilling

    This is the modern-bore version of this tuner. Your guitar has vintage-style holes, so this specific version would need reaming.

    Why we say this

    This catalog entry is Sperzel's modern 10mm line. This guitar has a genuinely vintage-spec headstock, so these would need the holes reamed out.

    Squier Classic Vibe 50s Telecaster

    Squier

    Classic Vibe 50s Telecaster 2020

    Requires modification
    Drilling

    This is the modern-bore version of this tuner. Your guitar has vintage-style holes, so this specific version would need reaming.

    Why we say this

    This catalog entry is Sperzel's modern 10mm line. This guitar has a genuinely vintage-spec headstock, so these would need the holes reamed out.