4Pcs Electric Guitar Knobs Set Metal Potentiometer Cap Volume Tone Control for Bass Silver silver.Feature: 1. COMPATIBLE WITH MOST ELECTRIC GUITARS: Electronically controlled knobs are suitable for most electric guitars and is a versatile and convenient option for guitarists 2. VOLUME AND TONE CONTROL: Knobs accurately control volume and tone, allowing players to easily adjust the sound to suit their needs 3. DURABLE STRUCTURE: The knob is made of excellent metal material, durable, to ensure rel