Red Chelonian Shell Single Coil Magnetic Pickup for Folk Acoustic Electric Guitar Features: Designed with red chelonian shell, small and exquisite, it is convenient to carry. With volume and tone controlling knobs, easy to adjust the sound. Line driver delivers high-quality sounds. Equipped with 2 mounting screws for easy installation. Single magnetic coil pickup is suitable for folk/ acoustic and electric guitar. Note: Size and color may be slightly different because of manual measurement and different light conditions. Thanks for understanding. Specifications: Color: Red Material: Plastic + Magnet + Copper Item Body Size: 12.5 * 3.3 * 2.2cm / 4.92 * 1.30 * 0.87in Package Size: 14.5 * 10 * 2.5cm / 5.71 * 3.94 * 0.98in Package Weight: 110g / 3.88oz Package List: 1 * Magnetic Guitar Pickup 2 * Screw 2 * Washer 2 * Knob