This rotary control knob is made of plastic and metal, providing a sturdy and durable design. Featuring a high-end appearance, it is suitable for electric bass, electric guitar, potentiometer, and similar applications. Ideal for volume and tone control on musical instruments. Features: - Color: Green - Material: Plastic, Metal - Size: 1.80 x 1.80 x 1.80 cm / 0.71 x 0.71 x 0.71 in - Constructed from selected materials that are resistant to deformation and breakage, ensuring durability and practicality - Easy to install; the knobs are resistant to aging, made of solid material, durable, and anti-corrosive - Designed to connect with a rotary potentiometer, commonly used for volume control - Simple structure design ensures easy installation without affecting instrument performance - Ideal as guitar tone and volume control knobs; a great accessory for guitar players Package list: 9 x Knobs 3 x Wrench