the Lord of Tools 2pcs Guitar Dual Layer Concentric Control Knobs Electric Metal Volume Knob Potentiometer Cap Double Cover, Black

Perfect Size: The top knob measures 15.1x14.3mm with an inner shaft hole diameter of approximately 6mm, while the base knob measures 19x13mm with an inner shaft hole diameter of about 8mm. These dimensions are ideal for precise adjustments. Dual Concentric Stacked Knobs: Our unique design features dual concentric stacked knobs, allowing you to easily adjust both tone and volume on the same knob. This innovative feature ensures that you have complete control over your guitar's sound, right at your fingertips. Durable Metal Construction: Crafted from quality metal, our knobs are built to last. They are sturdy and will withstand the test of time, ensuring that your guitar's performance remains exceptional. Wide Compatibility: These control knobs are compatible with a wide range of electric guitar bass components, making them a versatile choice for musicians seeking an upgrade or replacement.