"THE MX-5020 INCLUDES THE METCAL ULTRAFINE SOLDERING HAND-PIECE. USING THE ALL-NEW UFTC CARTRIDGES, THE HAND-PIECE IS A SPECIALITY TOOL FOR SOLDERING AND TOUCH-UP OF VERY SMALL COMPONENTS, RESTRICTED ACCESS OR HIGH DENSITY COMPONENT PACKAGING ON A PCB. THE NEW RANGE OF UFTC CARTRIDGES FEATURE TIP GEOMETRIES OF 0.2 MM (.0078 IN) TO 1.2 MM (.047 IN)."