By Huu Khanh Nguyen · Updated October 29, 2026 · speed-rail, tube-fitting, flange, extended-flange
A cast long base plate with two fixing holes and a socket at one end, so the upright stands at the edge of a deck beside its fixings.
| Name | Default | Unit |
|---|---|---|
| Tube outside diameter | 48.3 | mm |
| Socket bore | [34.188, 43.014, 49, 61.174].at([33.7, 42.4, 48.3, 60.3].indexOf(tubeDiameter)) | mm |
| Finish | white |