• Includes 1 volume control knob and 2 tone control knobs. • Made of rosewood with a rubber ring for a non-slip grip. • Hand-polished and engraved, compatible with most electric guitars. • Inner installation hole diameter: 6 mm, suitable for standard 6 mm pots. • Designed to provide comfort and prevent slipping during use. • High-quality knobs, superior to the budget models on the market. • Dimensions of each knob: 25 mm wide x 17 mm high. • Total weight of the set: 10 g.