Enhanced Coffee Extraction: The 54mm size of this portafilter is engineered to improve the extraction of espresso, providing a more consistent and evenly distributed shot that brings out the full flavor of your coffee beans. Optimal Capacity for Rich Flavor: With a capacity to hold 14-16g of coffee grounds, this portafilter is ideal for brewing double , allowing you to enjoy rich and flavorful espresso every time. High-quality Walnut Wood Handle: Crafted from premium walnut wood, this handle not only adds of to your espresso making but also provides a comfortable grip, enhancing your overall coffee brewing experience. Compatible with Multiple Models: Specifically designed to fit a wide range of espresso machines, including the 820, 840, 870, 875, 878, 879, 880, and 450 models, ensuring a and optimal functionality. Durability and Style: The combination of a sturdy walnut wood handle and a precisely crafted stainless steel basket ensures long-lasting use and adds a stylish, professional look to your coffee setup.