The Yokogawa 2793 Decade Resistor Box series is a high-accuracy, stable DC variable resistor with 6 dials and is available in two styles: 279301 for medium resistance from 0.1 to 1,111.210Ω in 1mΩ steps. The 279303 is made for high-resistances from 0 to 111.1110MΩ in 100Ω steps.