Specification: Item Type: Coffee Bottomless Portafilter Material: Aluminum Alloy, Plastic Weight: Approx. 311g / 11.0oz Product Size: Approx. 21.5x6.5cm / 8.5x2.6in  Package List:1 x Coffee Bottomless Portafilter Features Make Delicious and Consistent Coffee: This 3 ears 51mm bottomless portafilter can help you diagnose and correct extraction problems and ensure that you can get a delicious and consistent coffee every time. It is a perfect complement to your coffee. Good Features: The 51mm bottomless portafilter is environmental, hygienic, and safe, with the characteristics of oxidation resistance, corrosion resistance, rust prevention, and durability. Filter Basket Included: The filter basket makes the coffee extraction smoother and helps prevent coffee grounds from sticking to the shower screen of the coffee machine, thus keeping the shower screen clean. Ergonomic Grip: The ergonomic grip of the 51mm bottomless portafilter ensures comfortable and easy manual control during the extraction process. Good Workmanship: This 51mm bottomless portafilter, with exquisite workmanship and beautiful appearance, provides you great using experience.