The First Espresso Machine in the U. Espresso machines for professionals, baristas and coffee lovers since 1977. TRIESTEMUSIC-since 2002, SPIRIT OF EXCELLENCE MERCHANT. Great little Espresso Grinder for home use with 38 mm conical burrs, 110 volt/60 hz motor, easy grind adjust, Master ON/OFF and pulse switch/instant ON when in use. Our machines and grinders are current versions in NEW condition. Always use whole or 2% milk, pre-warmed cups and Espresso beans ground for an Espresso Machine. Always brew one cup at a time using 16 gram “double” filter basket for best quality. Always use a ceramic or porcelaIn vessel for brewing; never metal.