Specification: Origin: Mainland China Color: Silver Suitable for REVOX A77 A76 A78 Size: 20.00x20.00x3.00mm/0.79x0.79x0.12inch Material: Aluminum Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 4 x Opener Knob Covers 1.Exceptional Quality and Durability: The potentiometer knobs opener knob covers are meticulously crafted using premium-grade metal materials, showcasing outstanding quality and an extended lifespan, ensuring long-term reliability and durability. 2.Convenient and Effortless Installation: The metal opener front knob cover replacement is designed with a user-friendly installation mechanism, making the installation process incredibly simple and convenient, saving valuable time and effort. 3.Seamless Integration with Surroundings: The metal opener knob cover boasts a perfectly matched exterior, seamlessly blending with the overall aesthetics of the surroundings, adding a touch of elegance without any visual inconsistencies. 4.Aesthetically Pleasing: The radio front knob cover showcases exquisite craftsmanship, resulting in a visually striking appearance that enhances the overall aesthetics of the product, adding a touch of sophistication. 5.Enhanced Portability and Convenience: The rotary electronic control opener knob cover is compact and lightweight, enabling effortless transportation and easy installation, providing enhanced portability and convenience for various applications.