Size 9(G50) is a range of handrail fittings manufactured from malleable iron to BS EN 1562:1997 & ductile iron (where noted in fittings description) to BS EN 1563:1997. Handrail fittings are used to construct lightweight tubular structures. Size 9(G50) fittings require 60.3mm tubing. (Kee Klamp & Fast Clamp compatible)