This 58mm bottomless portafilter is specially designed for Breville Dual Boiler and Breville Oracle Series espresso machines, including BES920, BES980, BES985, BES990, and BES995. Bottomless Design for Better Extraction Observation The naked bottomless structure allows baristas to clearly observe espresso extraction, helping identify channeling, uneven tamping, and grind distribution issues during brewing. Stainless Steel Portafilter Head Built with a durable stainless steel head, this portafilter offers strong resistance to daily use, stable performance, and a clean professional appearance. African Blackwood Ergonomic Handle The handle is made from African blackwood, offering a premium natural texture and comfortable grip. Its ergonomic shape helps provide better control during locking, tamping, and brewing. Ideal for Home Baristas and Coffee Professionals Perfect for espresso training, extraction testing, and daily coffee preparation. Suitable for home users, cafés, coffee studios, and barista equipment retailers. Premium Appearance for Espresso Setups The combination of stainless steel and African blackwood gives this portafilter a refined, professional look that pairs well with high-end espresso machines.Please check your espresso machine model and portafilter size before ordering. All portafilters include a double shot basket as pictured.