Square cut rings have the same ID as an O-ring but have different cross sections.
See our O-Ring literature (Imperial) and the O-Ring Design Guide for more reference.
| Square Cut Rings | Actual Cross Section |
| 000 Series | 0.066 |
| 100 Series | 0.099 |
| 200 Series | 0.203 |
| 400 Series | 0.266 |