Material: Hot-Dip Galvanized Steel Per ASTM A153 & CSA G164
| Catalog No. | A | B | Thickness | K | L | M | N | P | Load |
| inch | inch | inch | inch | inch | inch | inch | inch | lbs | |
| SDXRM304466 | 4 | 4 | 0.1500 | 66 | 2-1/2 | - | 15 | - | 3000 |
| SDXRM3544114 | 4 | 4 | 0.3125 | 114 | 4-1/2 | 24 | 18 | - | 3500 |
| SDXRM406490 | 6 | 4 | 0.1880 | 90 | 3-1/2 | 24 | 18 | - | 4000 |
| SDXRM4064126 | 6 | 4 | 0.3120 | 126 | 5 | 24 | 18 | - | 4000 |
| SDXRM4064150 | 6 | 4 | 0.3750 | 150 | 6 | 24 | 18 | 18 | 4000 |
| SDXRM304458 | 4 | 4 | 0.1500 | 58 | 2' 2" | 24 | 18 | - | 3000 |
| SDXRM404490 | 4 | 4 | 0.1880 | 90 | 3-1/2 | 24 | 18 | - | 4000 |
| SDXRM4044126 | 4 | 4 | 0.3125 | 126 | 3-1/2 | 24 | 18 | - | 4000 |