| 350-0 | STRAW COLOURED COVERSW. WITHOUT HOLES |
| 350-1 | 1 H. STRAW COLOURED COVERSWITCH |
| 350-1V | 1 H. STRAW COLOURED VERTICAL COVERSWITCH |
| 350-2 | 2 H. STRAW COLOURED COVERSWITCH |
| 350-3 | 3 H. STRAW COLOURED COVERSWITCH |
| 350-4 | 4 H. STRAW COLOURED COVERSWITCH |
| 350-5 | 5 H. STRAW COLOURED COVERSWITCH |
| 350-RT | 2 H. STRAW COLOURED COVERSW., ROUND BOX |
| 351-0 | ANODIZED BRONZE COVERSW. WITHOUT HOLES |
| 351-1 | 1 H. ANODIZED BRONZE COVERSWITCH |
| 351-2 | 2 H. ANODIZED BRONZE COVERSWITCH |
| 351-3 | 3 H. ANODIZED BRONZE COVERSWITCH |
| 351-4 | 4 H. ANODIZED BRONZE COVERSWITCH |
| 351-5 | 5 H. ANODIZED BRONZE COVERSWITCH |
| 351-RT | 2 H. ANODIZED BRONZE COVERSW. ROUND BOX |