Magnetic Dosing Funnel (58mm) - Aluminium Experience mess-free precision with the Rocket Espresso Magnetic Dosing Funnel. Crafted in sleek aluminum with finishes available in classic Black or natural Alum, this funnel makes dosing and distribution effortless. The magnetic design locks securely onto your 58mm portafilter, keeping every dose neat and controlled—no more wasted grounds on the counter. Designed for Rocket machines but compatible with all 58mm portafilters, it’s a must-have for home baristas who want consistency and a cleaner workflow. Features Magnetic attachment for quick, secure placement on the portafilter 58mm diameter—perfect for Rocket Espresso machines and other 58mm group heads Available in two finishes: Alum and Black Prevents mess by keeping coffee grounds inside the basket Lightweight aluminum construction with Rocket’s premium build quality