Early Bay T2 Westfalia Pop Top Roof internal hinged Uprights/Supports that are hinged in the elbow section and hold the Pop Top in the upright position.
These are made of stainless steel and come complete with new springs, made to the same dimensions and size as originals, but an improvement as better quality and stainless steel.
Please note that the upright in the photo is an original one not the new replacement stainless steel one being offered.