| Part Number | Description |
| SWC4-00D-18-1123 | 18", Boxed Taper, Standard Mount, No Tow Holes |
| SWC4-00D-20-1123 | 20", Boxed Taper, Standard Mount, No Tow Holes |
| SWC4-00D-22-1123 | 22", Boxed Taper, Standard Mount, No Tow Holes |
| SWC4-10D-18-1123 | 18", Boxed Taper, Standard Mount, Tow Holes |
| SWC4-10D-20-1123 | 20", Boxed Taper, Standard Mount, Tow Holes |
| SWC4-10D-22-1123 | 22", Boxed Taper, Standard Mount, Tow Holes |
| B04-00D-18-1123 | 18", Boxed Taper, Blind Mount, No Tow Holes |
| B04-00D-20-1123 | 20", Boxed Taper, Blind Mount, No Tow Holes |
| B04-00D-22-1123 | 22", Boxed Taper, Blind Mount, No Tow Holes |
| BWC4-10D-18-1123 | 18", Boxed Taper, Blind Mount, Tow Holes |
| BWC4-10D-20-1123 | 20", Boxed Taper, Blind Mount, Tow Holes |
| BWC4-10D-22-1123 | 22", Boxed Taper, Blind Mount, Tow Holes |