Features: Specially designed for professional and family coffee enthusiasts, this product uses even pressure to make the coffee powder denser, thereby improving extraction efficiency and ensuring that each cup of coffee has a richer and more fragrant flavor. We offer three different sizes of 51mm, 53mm, and 58mm, which are suitable for most coffee machines and meet the needs of different coffee grounds. Make of PP, corrosions-resistant and easy to clean, ensuring that it remain as new after long term use. The flat bottomed threaded bottom design ensures consistency during each compaction, prevents tilting, and improves stability. Effectively avoiding unevenness during the powder pressing process, ensuring the quality of each cup of coffee. Specifications: Component: PP Diameter:51mm(2.01inch)/53mm(2.09inch)/58mm(2.28inch) (optional) Package Includes: 1pc Coffee Tamper note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.