| Part # | Bore (in) | O.D. (in) | Width (in) | Screw | Weight (oz) |
| NC-025 | 1/4 | 1/2 | 5/16 | 10-32 | 0.1 |
| NC-031 | 5/16 | 5/8 | 5/16 | 10-32 | 0.1 |
| NC-037 | 3/8 | 3/4 | 3/8 | 1/4-20 | 0.1 |
| NC-050 | 1/2 | 1 | 7/16 | 1/4-20 | 0.2 |
| NC-062 | 5/8 | 1 1/8 | 1/2 | 5/16-18 | 0.3 |
| NC-075 | 3/4 | 1 1/4 | 9/16 | 5/16-18 | 0.3 |
| NC-087 | 7/8 | 1 1/2 | 9/16 | 5/16-18 | 0.5 |
| NC-100 | 1 | 1 5/8 | 5/8 | 5/16-18 | 0.6 |
| NC-125 | 1 1/4 | 2 | 11/16 | 3/8-16 | 0.9 |
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