1.Material: The Espresso Tamper is made of food- grade 304 stainless steel for our tamper base. Compared to others, our tamper stainless steel base gives you peace of mind when making espresso, which is durable and has a rust-proof design. 2.Spring-Loaded Design: Equipped with a spring-loaded mechanism, this espresso tamper provides a consistent and even pressure distribution across the coffee. The spring assists in maintaining a steady force, reducing the risk of over. 3.Intimate Design: Unlike all coffee machines on the market, the 51mm Espresso Tamper is designed with an eye-catching depth marking scale, allowing for precise control over the stuffing pressure and consistency. This ensures a uniform coffee bed. 4.Versatile Usage: This espresso tamper is suitable for most espresso machines. Its 304 stainless steel base allows for easy attachment and detachment, making it a convenient tool for both home baristas and coffee shops.