| Model No. | D | D1 | Dn | L | L1 | W | H | Part No. |
| GU-16-KF | 30 | 17.2 | 15.8 | 122 | 61 | 135 | 79 | 91370100-0016 |
| GU-25-KF | 40 | 26.2 | 22.1 | 152 | 76 | 135 | 96 | 91370200-0025 |
| GU-40-KF | 55 | 41.2 | 34.8 | 175 | 87.5 | 181 | 118 | 91370300-0040 |
| GU-50-KF | 75 | 52.2 | 47.5 | 200 | 100 | 181 | 121 | 91370400-0050 |
