• The guitar sound hole cover is made of rubber, soft, durable, and safe to insert into the guitar sound hole. Suitable for folk and classical guitars with electric case or built-in pickup.
• The Package Content:1Pcs x Guitar Sound Hole Cover;Usable Diameter:85mm/3.35inch;OutsideDiameter:91mm/3.58inch;Thickness:11mm/0.43inch;Material:ABS;Color:Black.
• Good toughness, the material is soft silicone, will not damage the guitar paint, can be used for a long time.Eliminate sound feedback to prevent harsh sound in the field due to high volume.
• Easy to install and does not require any other tools. Place the product in the instrument mounting position.
• Choose a suitable size and pay attention to the size of the mounting size to form a perfect fit with your guitar.

About this item

• Aluminum potentiometer knob is a common sound adjustment device accessory. It is often used as an adjustment button for guitars, bass, AMPS and other musical equipment. It is a great knob replacement for music lovers.
• Aluminium Alloy Potentiometer Knob: Size: 25 x 19 mm / 0.98 x 0.75inch (OD x H); Material: Aluminium Alloy; Mounting Hole Dia: 4mm / 3/16 inch; Color: Silver;
• Outstanding Durability: This volume tone control knob is made of aluminum alloy, which is not only lightweight but also has excellent durability, ensuring its long-term use. Great adaptability: This potentiometer knob has a standard 3/16" (4mm) mounting hole that can easily adapt to most guitars, bass and other musical instruments, and a wrench is included to make installation more convenient.
• 1. Remove the old knob from your device. 2. Measure and make sure the size of the mounting screw matches the size of our knob mounting hole. 3. Align the mounting hole of the knob and install it in the corresponding position, and use a wrench to secure it.
• Before use, please make sure the mounting hole size of our products matches your equipment.