20x20mm Mini Solid Full Aluminum Alloy Knob Button for Guitar AMP Effect Pedal Cabinet 6mm Shaft Hole Black Color

4Pieces Guitar Tone Volume Control Button Tunning Knobs. Used to replace the dirty, dingy and old knob. Great for electric guitar and bass potentiometer. 20x20mm Mini Solid Full Aluminum Alloy Knob Button for Guitar AMP Effect Pedal Cabinet 6mm Shaft Hole Black Color. Features: 4Pieces Guitar Tone Volume Control Button Tunning Knobs. Used to replace the dirty, dingy and old knob. Great for electric guitar and bass potentiometer. Easy to install and use. We use a standard shaft opening that is universal for any 6mm coarse splined, fine splined or solid pot shaft. Specifications: Material: Metal. Weight: 50g. Size: 2.0x2.0x1.9cm. Package Includes: 1 Set Volume Tone Knobs. note: 1. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2. Due to difference between different monitors, the picture may not reflect the actual color of the item