| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | TPI Corporation | TPI 3900ICS | Inside Corner Section for 3900 Series, White 01119102 |
| | TPI Corporation | TPI 3900ICSC | Inside Corner Section for 3900 Series, Brown 01120102 |
| | TPI Corporation | TPI 3900OCS | Outside Corner Section for 3900 Series, White 01119202 |
| | TPI Corporation | TPI 3900OCSC | Outside Corner Section for 3900 Series, Brown 01120202 |
| Manufacturer | TPI Corporation |
| Specifications | 6 in L On Longest Side |
