Manufactured in one or more dials each consisting of ten steps fitted in spray painted box.
| Sub division (Micro farad) | No. of Steps | Total Value |
| One Dial | | |
A B C
D | 0.001 0.01 0.1 1.0 | 10 10 10 10 | 0.01 0.1 1.0 10.0 |
| Two Dials | | |
E F
G H | 0.001 and 0.01 0.01 and 0.1 0.1 and 1 | 20 20 20 | 0.11 1.1 11.0 |
| Three Dials | | |
I J | 0.001 , 0.01 and 0.1 0.01, 0.1 and 1 | 30 30 | 1.11 11.1 |
| Four Dials | | |
K | 0.001, 0.1, .1 and 1 | 40 | 11.11 |
