Slotted Tubes, stainless steel AISI 304, AISI 316. Finishes: Satin or Mirror Wall thickness: 0.8 - 1.5mm. Length: 5.8m. or 6m. Section sizes: 1) Oval shape 80 X 40mm. 110 X 40mm. 2) Round shape, Dia. 42.4mm. 48.3mm. 50.8mm. 63.5mm. 76.2mm. With various slot sizes to suit your glass panels thickness.