Why choose the spring rammer? For perfectionists, we demand to taste the best espresso possible. When it comes to tamping coffee, it's always a challenge. Our calibrated rammer has two interacting constant force springs and a plug. Allow the powder pressed each time to be at the same level. This is essential for making espresso, because it can that all coffee powder 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 excellent texture. It is highly polished and easy to clean. It allows you to easily push the coffee grounds, which is suitable for both professional baristas and novice home baristas. Use: When tamping, rotate the rammer around the edge of the movable filter to obtain a more uniform distribution. If the coffee powder feels too tight, tap the counter with a tamping rod to loosen it to get the most even and firm coffee powder. This will be the perfect accessory for your espresso. Constant pressure: Once you try to make your own espresso, you will fall in love with homemade coffee. This calibrated tamper provides the best mashing power of 30 pounds, which will give you a consistent distribution and pressure every time, avoid the deviation in the making process, and realize the uniform extraction of coffee. With this tamper, you can enjoy delicious and rich espresso every time. In order to the best experience, we recommend that you measure your coffee filter according to our 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.