Feature:1. Professional quality B50K potentiometer, audio switch for electric guitar, highend electric bass.2. Audio cone potentiometer, perfect for changing upgrading volume and tone control.3. Made of highquality materials and durable in use.4. The rotation is very smooth, improving the adjustment sensitivity.5. High quality audiopotentiometers, perfect for replacing and upgrading volume and tone controls. Specification:Item Type: Bass Potentiometer Material: MetalApplication: Suitable for bass guitar Package List:1 X Bass Potentiometer