1PC 30x22mm 6mm Aluminium HIFI AMP Speaker volume potentiometer Knob Amplifier 

Brand New Tube Amplifier Speaker Knobs are made by CNC Machined Solid Aluminum Alloy with corrosion preventive, anodic oxidation surface can be used for a wide range of applications: tube amplifiers, power amplifiers, speakers, audio, CDs, chassis of various sizes, amps, effects, etc.

Place of Origin ：Guangdong, China
Model Number：30x22mm
Product name ：Solid Aluminium Equipment Rotating Control Knobs
Material：Solid Aluminum Alloy, CNC Machined
Diameter：30mm
Total Height: 22mm
Color：Gold Silver Black Color
shaft hole：6.0mm