- Functionality: These control knobs allow you to easily adjust the volume and tone of your electric bass guitar, giving you full control over your sound. - Compatibility: Designed to fit most electric bass guitars, these knobs ensure a seamless integration with your instrument. - Size Specifications: Each knob features a hollow shaft with a diameter of approximately 6mm, an overall height of 18mm, and a diameter of 17mm. Please verify your guitar's specifications to ensure a proper fit. - Durable Material: Crafted from high-quality metal with a galvanized surface, these knobs are built to withstand regular use while maintaining their stability and durability. - Package Contents: The package includes four knobs with thick side buttons, providing a robust and comfortable grip. Other accessories are not included. - Practical Applications: - Perfect for live performances where quick adjustments of tone and volume are crucial. - Ideal for studio recording sessions, allowing for precise control over your sound. - Great for DIY guitar enthusiasts looking to upgrade or replace existing knobs for better performance and aesthetics. - Important Note: Please check the size before ordering, as manual measurements may result in size variations of 1-2mm.