• The potentiometer knob is an essential accessory for connecting potentiometers, suitable for 6mm D-type shafts. • It can be used on electric guitars, basses, audio, amplifiers, and volume control. • Dimensions: Height 18.5mm, Outer Diameter 30mm, Inner Diameter 6mm. • Color: Black; Material: Bakelite. • Side fixation with screw. • The package includes 10 potentiometer control knobs and 20 fixing screws. • Made of bakelite, which gives it high reliability and durability. • Attractive aesthetic appearance, small size, and easy installation. • Suitable for a variety of electronic equipment and different occasions. • Steps to use: Confirm the potentiometer model, insert the knob cap, and turn gently. • Notes: Choose the appropriate model and size, confirm the direction and position, perform smooth operations, and avoid contact with water and dirt.