Available in self colour & galvanized finishes. Hot dipped galvanized finished Standards are constructed from 42.4mm diameter tube complete with balls suitable for 33.7mm handrailing. Balls are drilled and tapped, and fitted with stainless steel M8 socket setscrews. Base plates are complete with two 18mm diameter holes to suit M16 fixing bolts. Quicker on site assembly, with No welding necessary.