This cost effective range of plastic grab rails is made from white PVC tubes with moulded end fittings. They have circular fixing plates which have a covering disc supplied that clips into place, hiding the screw heads. The tubes are fluted along their length to provide better grip for wet hands .No electrical earthing required. Specifications Diameter of tubes 38mm (1½"). Distance from wall 50mm (2"). Disc diameter 91mm (3").