DescriptionThe item is Guitar Amp Potentiometer. Audio/Log pots are typically used for volume control, and Linear pots are typically used for effects. 500K-ohm control pot, split shaft with coarse knurling, fits most control knobs.Besides, nice potentiometers for chioce.Features- Color: Chrome. - Material: Plastic, metal. - Shaft Thread diameter: Approx. 7mm. - Full Length: Approx. 27.5mm. - Base Diameter: Approx. 16.5mm. - Shaft Length: Approx.18mm. - Shaft Diameter: Approx. 6mm. - Guitar Tone Potentiometer. - B500K-ohm mini control pot. - Long Knurled and split shaft, Full Size. - Coarse knurled shaft fits most control knobs - audio-potentiometers, perfect for replacing andupgradingtone controls. - Coarse knurled shaft fits most control knobs.