Feature:1. [Natural String Vibration] Designed for 4 string bass guitars, this pickup allows for natural string vibration and delivers outstanding sustain, bringing your bass playing to life.2. [Clean Sound Output] The pickup is meticulously crafted with triple wax dipping and vacuum sealing, eliminating unwanted feedback and noise to ensure a clean sound output.3. [Reliable Construction] Made with ceramic magnet, plastic, and metal, this single coil pickup provides durability and resilience for long lasting performance.4. [Precise Calibrated Holes] Each hole of the pickup is precisely calibrated to achieve a delicate and soft tones, enhancing your playing experience.5. [Complete Components] The pickup comes with all the necessary parts, including screws and springs, ensuring stable installation and easy setup.Specification:Item Type: 4 String Bass PickupMaterial: Magnet, Plastic, MetalApplication: Suitable for 4 String Jazz Electric Bass.Package List:2 x 4 String Bass Pickup8 x Screws8 x Springs