DescriptionProduct: Adjustable Handrail Support - Square LineMaterial: 304/316 stainless steelBase mounting diameter: 4040mmBase mounting wall thickness: 2mmBase mounting shape: SquareTop mounting diameter: Flat, 33.7mm, 42.4mm, 48.3mm, 38.1mm, 50.8mm Top mounting wall thickness: 1.5mm, 2.0mm, 2.6mmTop mounting shape: RoundHeight: 79mmProduct shape: SquareSurface: Satin/MirrorApplication: Indoor/OutdoorCertificates: CE