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The Grover Pearloid standard-size button provides a durable and stylish solution for your acoustic guitar. Six buttons are included in the pack, allowing you to outfit multiple guitars or have spares on hand. Designed to fit a wide range of popular acoustic guitar models, these buttons make an ideal replacement or upgrade for your soundhole cover plate.

GROVER Pearloid Standard Size Button

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  • submitted16 days ago

    asked byShawn

    fromSouthside Alabama

    I just purchased a 2025 Hummingbird Standard. Will these knobs be a replacement. For the Grover Rotomatics Tuners that come on this guitar.

    I just purchased a 2025 Hummingbird Standard. Will these knobs be a replacement. For the Grover Rotomatics Tuners that come on this guitar.

    Open Reply - Gear-Support
    Yes—these will fit, as long as your Hummingbird has full-size Grover Rotomatics with standard keystone buttons. The GROVER Pearloid Standard Size Buttons are direct replacements for: Full-size Grover Rotomatic tuners Typically with screw-on buttons (not press-fit) Standard 10mm shaft post with 3/8” bushings. Your guitar should come stock with Grover Rotomatic 102-series tuners in kidney-shaped chrome, which are compatible with these replacement buttons. These Pearloid buttons will screw onto the same shafts—no drilling or modification required. If your Hummingbird happens to have Mini Rotomatics (smaller-body tuners used on some acoustics), these won’t fit correctly—they require a different size button.

  • submitted3 months ago

    asked byBill

    fromBeckley wv

    Will these fit the 106 rotomatics

    Will these fit the 106 rotomatics

    Open Reply - Gear-Support
    Yes, Grover's standard-size pearloid buttons are designed to fit standard Rotomatic tuners, including the 106 series

  • submitted3 months ago

    asked byTG

    fromOrlando, FL

    Do these have flats on the inside?

    Do these have flats on the inside?

    Open Reply - Gear-Support
    I’m very sorry, the manufacturer has not made that information available. Unfortunately, I don't have one to check.