RESISTANCE DECADE BOX Model : RBOX-408 * 1 to 11,111,110 ohm, 1 ohm per step. * Wattage : 1W * Slide switches that allow the user to simply add or subtract for desired value. * With seven decades of resistance. * ABS plastic housing case, rugged components. * Education, Maintenance, Production line, Working standards, Research, laboratory application. * Size : 147 x 117 x 51 mm.