Features: Made of high-quality stainless steel 316L, which is durable, corrosion-resistant, and easy to clean. 58mm diameter for use with most espresso machines. 1.7mm thickness for optimal extraction. Prevents channeling and uneven extraction, resulting in a more consistent and flavorful espresso. Easy to clean and maintain. Simply rinse with water after use. Benefits: Creates a consistent puck for better extraction. A consistent puck means that the water will flow evenly through the coffee grounds, resulting in a more evenly extracted shot. This leads to a more flavorful and balanced espresso. Improves the taste of your espresso. A better extraction means that more of the coffee's flavor and aroma will be extracted into the shot. This results in a more flavorful and enjoyable espresso. Makes your espresso machine easier to clean. The screen helps to prevent coffee grounds from clogging the shower screen, which makes your machine easier to clean. More durable than paper filters. A stainless steel screen is more durable than a paper filter, so it will last longer. Reusable. A stainless steel screen can be reused multiple times, which saves money and reduces waste. Specifications: Material: Stainless steel 316L Diameter: 58mm Thickness: 1.7mm Overall, an espresso screen puck is a valuable tool for any espresso enthusiast. It can help to improve the taste of your espresso, make your machine easier to clean, and save money in the long run.