An easily selectable range of 12 preferred value capacitors from 100pF to 0.47µF. Values are: 100pF, 220pF, 470pF, 1nF, 2.2nF, 4.7nF, 10nF, 22nF, 47nF, 0.1µF, 0.22µF and 0.47µF. Voltage rating for each range is 50V a.c. or d.c. Housed in a robust ABS plastic case 75x100x40mm with rotary selector switch and a pair of 4mm sockets.