Master the art of precision espresso dosing with this engineering-forward 51mm funnel system. Designed for discerning home baristas who demand café-quality consistency and spill-free performance from their bottomless portafilter setup. ⚙️ At a Glance Type Espresso Dosing Funnel Size 51mm Basket Diameter Material Aluminum Alloy Included Funnel & Silicone Mat 🔧 Compatibility Engineered to fit most mainstream 2-ear and 3-ear bottomless portafilters with 51mm basket diameter. The external clamp-on magnetic design works seamlessly with standard espresso machines—no modifications, no adjustments, no complications. ☕ Bottomless Portafilter 🧲 Magnetic Base ✨ Precision Dosing 🛡️ Gap-Free Adhesion 📐 Specifications ⚙️ Material Aluminum Alloy 📏 Diameter 51mm 🧲 Magnetic Hold Embedded Magnets ✨ Finish Scratch-Resistant 🧼 Care & Maintenance Effortless maintenance ensures years of reliable performance. Simply brush away residual grounds with a dry brush—no soaking, no complex washing required. The non-porous aluminum construction resists staining and odor retention, while the robust magnetic hold remains consistently strong through countless daily uses. Waterproof and rust-proof construction minimizes maintenance to keep your funnel looking and performing like new. 🎯 Made For Crafted for passionate home baristas and serious coffee enthusiasts who refuse to compromise on precision and control. This dosing system is ideal for those who embrace the transparency of bottomless portafilters and seek spill-free consistency with every shot. Perfect for anyone ready to elevate their espresso ritual from ordinary to café-quality at home. — Why We Selected This — This precision-engineered dosing funnel bridges the gap between home brewing and café professionalism. The combination of durable aluminum construction, reliable magnetic adhesion, and included silicone mat delivers consistent, gap-free results that transform the bottomless portafilter experience. It's an investment in repeatability and control that serious espresso lovers truly appreciate. 📦 Product Details Product Type Espresso Dosing Funnel Basket Size 51mm Diameter ↩️ 30-Day Returns Unused items, 30 days. Damaged, wrong, or lost made right. 🔒 Secure Checkout Encrypted payment, trusted by Shopify. 📦 Tracked Shipping Every order ships with tracking. Why Home Cooks Choose SERA ✓ Hand-Curated Every tool & ingredient is selected for quality — not mass-listed. ✓ Café & Kitchen Guidance Clear how-to notes so you get great results at home. ✓ Real Support Questions? Our team replies within 24–48 hours. 📬 Shipping & Delivery: Your order ships with tracking and a confirmation email. Delivery times vary by destination. Easy 30-day returns on unused items — plus damaged, wrong, or lost orders made right.