Item Type: Guitar Knobs_x000D_ Material: Plastic 1SPECIFICATIONS: Includes 3 guitar rotary knobs, volume and tone control knobs, compatible with most electric guitar and basses. 2PLASTIC MATERIAL: These knobs are made of excellent plastic, which is scratch resistant, aging resistant, and has a long service life. 3COMPACT SIZE: These potentiometer knobs are compact in size, easy to install, and will not affect the use of musical instruments. 4CLEAR LETTERING: These guitar knobs are engraved with clear letters and numbers for easy identification, to avoid installation errors. 5REPLACEMENT PARTS: Can directly replace old or damaged volume and tone knobs to ensure better electronic instrument performance.3 x Guitar Knobs