Suitable for both professional musicians and hobbyists, these control knobs easy upgrade or replacement for damaged or worns out parts on your instrument Crafted from metal materials, these knobs feature a round shaped metal exterior with a interior, ensuring longevity and reliability With designs fitting most electric guitars and basses, these black knobs add a touch to your instrument while providing functionality Perfect for live, practice, or studio recordings, these knobs allow for quick and accurate sound adjustments, enhancing your musical Enhances your guitar ' s with 4PCS metal guitar control knobs, designed for Volumes and tone adjustments on electric guitars and basses, Manufacturer: JAMIEKA