| Part No. | Tube O.D. | A | B | C | D | E | F | G | H | J | Bolt Size | Bolt Length | |
| 61SF-08 61SF-12 | 1/2 3/4 | 0.86 0.98 | 2.125 2.560 | 1.500 1.875 | 0.75 0.88 | 0.50 0.56 | 1.219 1.531 | 0.955 1.265 | 0.245 0.245 | 0.344 0.406 | 5/16-18 3/8-16 | 1.25 1.25 | |
| 61SF-16 61SF-20 | 1” 1 1/4 | 1.11 1.39 | 2.750 3.120 | 2.062 2.312 | 0.94 0.88 | 0.62 0.56 | 1.781 2.031 | 1.515 1.720 | 0.295 0.295 | 0.406 0.469 | 3/8-16 7/16-14 | 1.25 1.50 | |
| 61SF-24 61SF-32 | 1 1/2 2” | 1.58 1.86 | 3.690 4.000 | 2.750 3.062 | 1.00 1.03 | 0.62 0.62 | 2.406 2.844 | 2.000 2.470 | 0.295 0.355 | 0.531 0.531 | 1/2-13 1/2-13 | 1.50 1.50 | |
| 61SF-40 61SF-48 | 2 1/2 3” | 2.09 2.53 | 4.500 5.315 | 3.500 4.188 | 1.50 1.62 | 0.75 0.88 | 3.344 4.031 | 2.950 3.580 | 0.355 0.355 | 0.531 0.656 | 1/2-13 5/8-11 | 1.75 1.75 | |
| 61SF-56 61SF-64 | 3 1/2 4” | 2.70 2.95 | 6.000 6.380 | 4.750 5.125 | 1.12 1.38 | 0.88 1.00 | 4.531 5.031 | 4.030 4.530 | 0.422 0.422 | 0.656 0.656 | 5/8-11 5/8-11 | 2.00 2.00 | |