| Number | L1 inch | size | L1 mm | L mm | Φ mm | Be-Cu g | Al-Cu g |
|---|---|---|---|---|---|---|---|
| 266-1002 | 2 | 0 | 50 | 150 | 3 | 35 | 32 |
| 266-1004 | 3 | 1 | 75 | 175 | 4 | 70 | 63 |
| 266-1006 | 4 | 1 | 100 | 200 | 5 | 75 | 70 |
| 266-1008 | 5 | 2 | 125 | 225 | 6 | 100 | 95 |
| 266-1010 | 6 | 2 | 150 | 250 | 6 | 110 | 105 |
| 266-1012 | 8 | 3 | 200 | 320 | 8 | 165 | 155 |
| 266-1014 | 10 | 3 | 250 | 370 | 8 | 185 | 170 |
| 266-1016 | 12 | 4 | 300 | 450 | 9 | 245 | 230 |
| 266-1018 | 14 | 4 | 350 | 500 | 9 | 270 | 255 |
| 266-1020 | 16 | 4 | 400 | 550 | 9 | 295 | 280 |
| 266-1022 | 18 | 4 | 450 | 600 | 9 | 320 | 300 |