All products are sold in either grade 304 or 316. Stainless Steel Round Slotted Tube Tube is sold in standard 6000mm lengths and 1.5mm thickness. With our in house processing facilities, we can cut your tube to any length required. We stock 42.4, 48.3, 50.3 and 60.3 diameter tube. Our cap rail is sold as round, oval, square or rectangular. The associated rubber profiles that sit between the glass and cap rail are sold separately.