1. Compatibility: This 3 ears portafilter 58mm is suitable for many triple ear symmetrical coffee machines, especially for Barsetto coffee machines. 2. Stainless Steel: The bottomless portafilter is made of stainless steel, which is eco - friendly and harmless. It is more sanitary and safer, oxidation - resistant, corrosion - proof, rust - proof and durable. 3. Solid Wood Handle: The handle of the coffee portafilter is made of solid wood, providing a comfortable and stable handling experience. 4. Bottomless Coffee Portafilter: The bottomless design can help observe the flow column, flow rate, color, flow column stripes, etc., thus assisting in correcting and improving extraction problems to make the extraction more delicious and consistent. 5. Easy To Use: The detachable design allows for convenient and quick disassembly. It is easy to use and easy to clean without dead corners. A stainless steel 58mm filter basket is included, which is compatible with Barsetto 58mm filter baskets. 6. Item Type: 58mm Bottomless Portafilter 7. Material: Solid Wood, Stainless Steel 8. Weight: Approximately 380g / 13.4oz 9. Product Size: Approximately 230x58mm / 9.1x2.3in 10. Package List: 1 x 58mm Bottomless Portafilter