Bnineteenteam 100mm Guitar Soundhole Sound Hole Cover Guitar Block Protector Cover Guitar Feedback Cover for Acoustic Electric Guitar

Features: Designed for 100mm sound hole. Easy to install and remove, no tool required. Soft rubber covers the installation edge, ensuring no damage to your guitar. The middle volume controller allows 360 degree rotating and you can adjust the volume as you need. Eliminate feedback and enhance stage volume, a great tool for the guitar enthusiast Specification: Condition: 100% Brand New  Brand: Flanger Material: ABS + Rubber Color: Black Fit for 100mm/ 3.94inch Sound Hole Total Diameter: 110mm / 4.33inch Weight: Approx. 72g Packing List: 1 x Sound Hole Cover Note:  Please check the size of your guitar's sound hole to see if this sound hole cover fits for it.