Features: This sound equipment volume knob is made of good material. Replace the broken knob with good parts. It is widely used in sound equipment, electric guitars, basses, power amplifiers, effectors, and replace damaged or damaged sound equipment to give your sound equipment a new look. Features -Color:Assorted Color -Material:Plastic -Size:2.25X1.70X1.40cm/0.88X0.67X0.55in - They are strong enough, not easily deformed or broken, and can serve you for a long time. - This product can be given as a gift to friends who own a sound equipment, they will need it. - When you need to use them for a long time, this product will quickly become your good helper. - Replacement parts for electric sound equipment. The product design is novel, and the workmanship is fine. - Can control the effects of multiple functions, suitable for sound equipment,potentiometer,electric guitars, electric bass, etc. Package list: 4 x white potentiometer Knobs 4 x red potentiometer Knobs 4 x black potentiometer Knobs