This Led aluminum profile round is diameter 40mm, we also have 60mm, 100mm, pls kindly check other pages.
ALP5580
Waterproof lighting profile for IP65 linear lighting
ALP052
50mm wide led profile
ALP111-S
Linear led light fitting complete with mounting brackets
ALP3880
Led linear pendant | linear suspension lighting | modern pendant lighting
ALP7578
Wide led strip profile