This is an audio taper potentiometer, perfect for replacing or modernizing volume and sound control. Split shaft with coarse knurling fits most knobs. This potentiometer has a A500K Ohm large control pot, great potentiometer for a guitar! Guitar Volume potentiometer Split shaft with coarse knurling fits most knobs A500K Ohm big control pot Foot diameter: Approx. 0.94 inch / 24mm Shank length: Approx. 0.71 inch / 18mm Split stem diameter: Approx. 0.23 inch / 6mm material: metal Color: as shown Package Included: 1 X A500k guitar potentiometer Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.