Silver aluminum alloy replacement knobs for guitar and potentiometer applications. Designed for volume and tone control on most electric guitars and bass, and compatible with a variety of electrical equipment and electronic instruments. Key features Material: Aluminum alloy for a sturdy, durable construction and a solid turning feel. Color: Silver. Dimensions: Inner Diameter: 6 mm(1/4 inch); Outer Diameter: 38 mm(1.5 inch); Height: 20 mm/0.8 inch. Function: Serve as guitar volume and tone knobs and as potentiometer knobs for other electronic devices. Package: 2 x Guitar Knobs, 1 x Wrench included for easy installation. Installation: Tighten the side set screws using the supplied wrench. Why choose these knobs Durable and long lasting: Aluminum alloy construction resists wear from regular use. Precise control: Wellmachined fit provides smooth rotation and reliable adjustment. Versatile: Fits most electric guitars and bass and can be used on amps, pedals, and other electronic instruments that accept a 6 mm(1/4 inch) shaft. Practical use scenarios worn or damaged knobs on an electric guitar to restore functionality and improve appearance. Upgrade the look of a bass with matching metal knobs for a cleaner, more consistent control layout. Use as control knobs on guitar pedals, amplifiers, or DIY electronic projects that require a 6 mm(1/4 inch) potentiometer knob. Notes Check the knob height and outer diameter to ensure compatibility with your instrument or equipment before installation. Packaged with a wrench for quick mounting by tightening the side set screws.