Our Compressore espresso tamper handle is precision machine milled from solid aluminum. When attached to the heavier stainless steel base the lighter weight aluminum handle provides a proper mass ratio between the two which results in an exceptional feeling of balance. Espresso Parts tamper pistons are professionally machine milled stainless steel, and are available in your choice of a flat or convex tamp piston in the following stock sizes: 58mm and 57mm. The tamper weighs 495 grams and stands 90mm tall.