It is one of our most popular and classic espresso tampers to date. You'll find this espresso tamp is a mainstay of many cafes simply because the  Tamp handle easily accommodates a wide variety of different barista's hand sizes comfortably. The material of the  tamper is AISI304, and is available in your choice of a flat or convex tamp piston in the following stock sizes: 58mm and 57mm. If you need, customized design is no problem to produce.