These and practical knobs are used for instruments. If your knobs are dirty, old, or just want to dress up your guitar. These rotary knobs will be great replacements. The knob is used to connect a rotary potentiometer and is usually used as a volume or tone control knob. Features -Color:Multi -Material:Wood -Size:2.40X2.40X1.39cm/0.94X0.94X0.55in - The volume and tone knob suitable for potentiometers, guitar effects, guitar amplifiers, speakers, etc. - The product design comes with simple structure, and easy to install, and will not affect the use of your instrument. - The guitar wood knob is strong and resistant to dirt, which feels better and lasts longer. - Simple installation, small size and easy to store, and made of good material, the electric guitar knob is not easy to break. - These guitar knob replacements are useful and practical friends who own guitars and bass. Package list: 3 Guitar Knobs