Description
| Model | A | B | H | h | a | b | g | Center taper |
| BS-0 | 193 | 140 | 173 | 100 | 166 | 90 | 16 | MT2 |
| 7.59 | 5.51 | 6.81 | 3.93 | 6.53 | 3.54 | 0.63 | BS No. 7 | |
| BS-1 | 242 | 168 | 220 | 128 | 206 | 113 | 16 | MT3 |
| 9.52 | 6.61 | 8.66 | 5.04 | 8.11 | 4.45 | 0.63 | BS No. 9 |
| Model | A1 | B1 | H1 | h | a1 | b1 | g1 |
| BS-0 | 175 | 87 | 107 | 100 | 130 | 92 | 16 |
| 6.89 | 3.42 | 4.21 | 3.93 | 5.12 | 3.62 | 0.63 | |
| BS-1 | 183 | 87 | 137 | 128 | 158 | 110 | 16 |
| 7.2 | 3.42 | 5.39 | 5.04 | 6.22 | 4.33 | 0.63 | |
