Why the spring rammer? For perfectionists, we demand to the best espresso possible. When it comes to tamping coffee, it's always a challenge. calibrated rammer has two interacting constant force springs and a plug. Allow the pressed each time to be at the same level. This is essential for making espresso, because it can that all coffee is evenly soaked in water, thus maximizing the flavor and of coffee.Unique design: It is composed of stainless steel base and ergonomic handle, with comfortable grip and texture. It is highly and easy to clean. It allows you to easily the coffee grounds, which is suitable for both professional baristas and novice home baristas.Constant pressure: Once you try to make your own espresso, you will in love with coffee. This calibrated tamper provides the best mashing power of 30 pounds, which will give you a distribution and pressure time, avoid the deviation in the making process, and realize the uniform extraction of coffee. With this tamper, you can enjoy delicious and espresso time.Use: When tamping, rotate the rammer around the edge of the movable filter to obtain a more uniform distribution. If the coffee feels too , tap the counter with a tamping rod to loosen it to the even and coffee . This will be the perfect accessory for your espresso.In order to the best experience, we recommend that you measure your coffee filter according to guide to the size of the tamper to perfectly determine the size of your tamper. For better sealing, please use a rammer with the same diameter as your portable filter basket.Color: silverMaterial: stainless steelPackage Contents:1 x Coffee pressesOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.