【High Quality】The tamper base is made of 100% food-grade stainless steel. Compared to other cheap espresso tampers, this stainless steel base tamper is robust and durable, making it a safe and reliable tamper for baristas. The handle of the manual coffee tamper is durable and rust-proof. 【Versatile, Ideal for Professional Baristas】Equipped with a calibrated spring, it is suitable for professional baristas and coffee experts, as well as beginners and home espresso makers. The bottom of the tamper effectively distributes, presses, and levels the ground coffee for a thicker, richer, and more delicious espresso; 【Espresso Accessories for a Better Coffee Experience】This calibrated tamper delivers approximately 8 kg of optimal grinding force. With this espresso tamper, you achieve a flat, concentric grinding pattern on your coffee handle. Tests showed that the concentric ring-shaped espresso surface withstands a grinding force of approximately 8 kg, resulting in higher quality espresso. The continuous pressure of 8 kg guarantees a fantastic coffee experience that you will enjoy for a long time. 【User-Friendly/Easy to Clean】The electric tamper is easy to use. Press the tamper with normal pressure to create a flat surface with coffee powder. Wash the tamper by hand with warm soapy water after use and dry it thoroughly. Note: If you use a 53 mm or 54 mm portafilter, you must choose a calibrated 53 mm tamper.