[Self-Adjustable Tamping Pressure] Features a built-in 24-35 pound impact regulating valve with special screws inside the tamper. [Sound Feedback] Provides a clear "click" when the set tamping pressure is reached. The base compresses the coffee puck to minimize gaps and reduce channeling. Automatically resets after tamping without manual adjustment. [Stainless Steel Ripple Base] Helps distribute water more evenly through the coffee grounds for improved extraction and better coffee quality. [Horizontal Tamping] The ring above the base ensures even tamping pressure across the coffee puck. Specification: 58mm Size: 11.5cm Material: Stainless steel + aluminum alloy Color: Black + silver Package Contents: 1 x Coffee Tamper Note: Light reflection and display differences may cause slight variations between the product color in images and the actual item. Measurement may vary by +/- 1-3cm.