Description:Guitar Effect Pedal Knob Amplifier Control Knobs for Guitar Parts AccessoriesWide Application: Suitable for control the effect of a variety of functions,such as level, speed, voice, etc.Used for effect pedals or amplifiers.Plastic control knob to be assembled to a potentiometer for easier rotation. Made of ABS plastic, the surface is smooth and feels comfortable, and there is a screw inside to fix the installation more firmly.
