Perfect your tamp with the 58mm Rocket Espresso Tamper. A solid, heavy-duty stainless steel, Rocket branded tamper for commercial use or the home connoisseur. This tamper will complement most grinders and espresso machines. The Rocket Espresso logo has been engraved into the base of the tamper and an ergonomic handle lets you tamp in style and comfort. This tamper has a convex bottom.