Brass extensions
Brass finish
Nickel plated
Extension Cores
| Premier No. | Eff.length | Total length |
| EXT34M | 27 | 34 |
| EXT40M | 33 | 40 |
| EXT60M | 53 | 60 |
| EXT84M | 77 | 84 |
| EXT100M | 93 | 100 |
| EXT115M | 100 | 115 |
| EXT125M | 110 | 125 |
| EXT140M | 125 | 140 |
| EXT142M | 127 | 142 |
| EXT152M | 129 | 152 |
| EXT156M | 133 | 156 |
| EXT160M | 137 | 160 |
| EXT177M | 154 | 177 |
Brass bend extensions
| Premier No. | L | a |
| PRE34M-45 | 34 | 45° |
| PRE34M-90 | 34 | 90° |
| PRE45M-45 | 45 | 45° |
| PRE45M-90 | 45 | 90° |