【Brand New】 Set of 2 aluminum control knobs. Outer diameter: 19.7mm Inner diameter: 6.35mm Height: 13.9mm If you wish to purchase 3 or more, we will accept your order for an additional 300 yen per knob, so please contact us via comment. If you wish for anonymous shipping, please consult with us via comment. 【Product Introduction】 "Introducing aluminum control knobs that deliver a new guitar experience! These knobs, made of highly durable aluminum, combine beauty and functionality. They feature a textured finish to prevent slipping during play, providing excellent operability. The stylish and modern design will add a new charm to your guitar. Please try these aluminum control knobs to expand the range of your musical expression!" We also have other guitar parts for sale, so please feel free to inquire about combined shipping, etc.