... finishes:white&knurled Wall thicknesses: 1.0, 1.2 and 1.5mmType: concealed flangeOptional diameter: Ø25.4 (1 ... inch), 31.8 (1-1/4 inches) and 38.1mm (1-1/2 inches)Optional length: 300, ... 400, 450, 600, 750, 900 and 1000mm (12, 16, 18, 24, 30, 32, 36, ... are acceptedStandards: the US, Australian, European, Middle East and Asian Grab Rail, Made of Stainless Steel, Powder-coated ...