| Nom. Pipe Size or Tube OD | Num. of Root Opening Spacers | Dia. of Spacers | Ring Thickness | Ring Width | Width of Land | Ring Weight (lb.) |
|---|---|---|---|---|---|---|
| 1" | 3 | 1/8" | 3/32" | 5/8" | 3/8" | .052 |
| 1 1/4" | 3 | 1/8" | 3/32" | 5/8" | 3/8" | .069 |
| 1 1/2 | 3 | 1/8" | 3/32" | 5/8" | 3/8" | .078 |
| 2" | 3 | 3/16" | 3/32" | 5/8" | 3/8" | .109 |
| 2 1/2" | 3 | 3/16" | 3/32" | 5/8" | 3/8" | .129 |
| 3" | 3 | 3/16" | 3/32" | 5/8" | 3/8" | .157 |
| 3 1/2" | 3 | 3/16" | 3/32" | 5/8" | 3/8" | .180 |
| 4" | 3 | 3/16" | 3/32" | 5/8" | 3/8" | .203 |
| 5" | 4 | 3/16" | 1/8" | 1" | 5/8" | .520 |
| 6" | 4 | 3/16" | 1/8" | 1" | 5/8" | .625 |
| 8" | 4 | 3/16" | 1/8" | 1" | 5/8" | .828 |
| 10" | 4 | 3/16" | 1/8" | 1" | 5/8" | 1.068 |
| 12" | 5 | 3/16" | 1/8" | 1" | 5/8" | 1.269 |
| 14" | 5 | 3/16" | 1/8" | 1" | 5/8" | 1.403 |
| 16" | 5 | 3/16" | 1/8" | 1" | 5/8" | 1.616 |
| 18" | 6 | 3/16" | 1/8" | 1" | 5/8" | 1.830 |
| 20" | 6 | 3/16" | 1/8" | 1" | 5/8" | 2.043 |
| 22" | 6 | 3/16" | 1/8" | 1" | 5/8" | 2.257 |
| 24" | 6 | 3/16" | 1/8" | 1" | 5/8" | 2.471 |
| 26" | 6 | 3/16" | 1/8" | 1" | 5/8" | 2.684 |
| 28" | 6 | 3/16" | 1/8" | 1" | 5/8" | 2.898 |
| 30" | 6 | 3/16" | 1/8" | 1" | 5/8" | 3.112 |
| 32" | 6 | 3/16" | 1/8" | 1" | 5/8" | 3.325 |
| 34" | 6 | 3/16" | 1/8" | 1" | 5/8" | 3.539 |
| 36" | 6 | 3/16" | 1/8" | 1" | 5/8" | 3.752 |
| 38" and larger available upon request | ||||||