| Model No. | Standard | A | B | C | D | E | F | G | Part No. |
| KF-RT-25x16 | 3A | 50 | 40 | 40 | 30 | 19.05 | 25.4 | 100 | 61280703-2516 |
| KF-RT-40x16 | 3A | 65 | 40 | 55 | 30 | 19.05 | 38.1 | 130 | 61280803-4016 |
| KF-RT-40x25 | 3A | 65 | 50 | 55 | 40 | 25.4 | 38.1 | 130 | 61280903-4025 |
| KF-RT-50x16 | 3A | 70 | 50 | 75 | 30 | 19.05 | 50.8 | 140 | 61281003-5016 |
| KF-RT-50x25 | 3A | 70 | 65 | 75 | 40 | 25.4 | 50.8 | 140 | 61281103-5025 |
| KF-RT-50x40 | 3A | 70 | 65 | 75 | 55 | 38.1 | 50.8 | 140 | 61281203-5040 |
