- Multi-functionality: These control knobs are designed to adjust both volume and tone on electric bass guitars, making them essential for musicians seeking precise sound control. - Compatibility: Ideal for most electric bass guitars, ensuring a seamless fit and easy installation. - Size Specifications: - Hollow shaft diameter: approximately 6mm - Overall height: 18mm - Knob diameter: 17mm Please verify dimensions before ordering, as manual measurements may result in slight variations of 1-2mm. - Durable Construction: Crafted from high-quality metal with a zinc-plated surface, these knobs offer stability and long-lasting performance, even with frequent use. - Package Contents: Each package includes 4 knobs with thick side buttons. Other accessories are not included. - Practical Applications: - Perfect for musicians looking to replace worn-out or broken knobs for enhanced playability. - Useful for custom builds or upgrades, allowing you to fine-tune your guitar's sound effortlessly. - Great for hobbyists and professionals alike who appreciate reliable components for their instruments. Ensure your electric bass guitar performs at its best with these durable and functional control knobs.