| Part # | Bore (in) | O.D. (in) | Width (in) | Screw | Weight (oz) |
| OSC-062 | 5/8 + .010 | 1 1/8 | 1/2 | 5/16-18 | 1.5 |
| OSC-075 | 3/4 + .010 | 1 1/4 | 9/16 | 5/16-18 | 1.9 |
| OSC-100 | 1 + .010 | 1 5/8 | 5/8 | 5/16-18 | 3.7 |
| OSC-125 | 1 1/4 + .010 | 2 | 11/16 | 3/8-16 | 5.8 |
| OSC-150 | 1 1/2 + .010 | 2 1/4 | 3/4 | 3/8-16 | 7.4 |
| OSC-200 | 2 + .010 | 3 | 7/8 | 1/2-13 | 16.0 |
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