The Delonghi 5513219871 Fully Automatic Espresso Machine Tube L460 that comes with a Nut, Bush, and Insert for seamless operation and maintenance. This essential accessory kit ensures that your espresso machine runs smoothly and efficiently, allowing you to enjoy your favorite coffee beverages hassle-free. The included Nut, Bush, and Insert are designed to fit perfectly with the machine, providing a secure and reliable connection for optimal performance. Keep your espresso machine in top condition with this convenient and practical set, so you can continue to brew barista-quality drinks at home with ease.