Constant Pressure Design: The Coffee Tamper applies a constant pressure of 30Lbs, ensuring consistent grinding performance and optimal extraction efficiency for your espresso machine. Calibrated Size: sizes - 51MM this tamper is calibrated to fit perfectly on espresso machines, ensuring precise and uniform grinding. Material: Constructed from high-quality stainless steel, this coffee tamper is designed to withstand heavy use in a busy coffee shop or home environment, promising long-lasting performance. Flat Base Type: The flat base type of this tamper ensures a secure and stable grip, making it easy to use and reducing the risk of accidental or spills. Versatile Use: Ideal for baristas and coffee enthusiasts, this tamper is a versatile tool that can be used with various coffee makers, enhancing your brewing experience. Easy to Clean: Given its sleek stainless steel design, this coffee tamper is easy to clean, ensuring hygiene and of the product. Color: As Shown Material: Stainless Steel Package Contents: 1 * coffee powder hammer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.