[High Quality]Made of 100% food-safe grade stainless steel for the tamper base. Compared with other cheaper espresso tamper machines, this stainless steel base tamper is a sturdy and healthy tamper tool for Baristas [Multi-Function and Great for Professional Baristas]it's heavy duty and plus calibrated spring designed for a professional barista and the coffee expert , novice or home espresso maker. the bottom of the tamper distributes, compress and level ground coffee well for a denser, richer and more flavorful espresso brew [Espresso Accessories for Better Coffee]This calibrated tamper provides 8kgs of optimal mashing power. By using this espresso tamper, you will get a flat concentric ring pattern in your portafilter. After tested, a concentric ring ground espresso coffee surface obtained . [EASY TO USE/CLEAN]The is easy to use. With normal pressure, and you just need to press it to get a flat coffee powder surface. After used it, hand wash simply with warm soapy water and let dry thoroughly. Colour:black Material:Stainless steel Size:51mm Package Contents: 1 x Espresso Tamper 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.