1 pc. Guitar knob and 1 pc. A500k Guitar Potentiometer: Material: Metal & IronVolume Knob or Sound ControlUsed for dirty, dingy and old knobsCompatible with electric guitarThis is an audio cone potentiometer, perfect for or retrofitting volume and sound control. The split shaft with coarse knurling fits most knobs. This potentiometer has a large potentiometer controlled by A500K Ohm, a great potentiometer for guitar! Guitar Volume PotentiometerIt is made of durable iron with a black coating. A great replacement for a broken, dirty or old control knob. Make sure your guitar looks new again!Knob Diameter: Approx. 0.71 inch/1.8cmHeight: Approx. 0.75 inch/1.9cmHollow Shaft Diameter: Approx. 0.22 inch/5.7mmSplit Shaft with Thick Knurling Fits Most KnobsA500K Ohm Large Steerable PotentiometerFoot Diameter: Approx. 0.94 inch/24mmShank Length: Approx. 0.71 inch/18mmSplit Shank Diameter: Approx. 0.23 inch/6mmColor: As shown in the pictureMaterial: Metal & IronPackage Contents:1 * Guitar Knob1 * A500k Guitar PotentiometerOnly the above package content, other products are not included. 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 error is +/- 1-3cm.