For use with Hop-up brackets where distance between standards exceeds the span of scaffold boards Cuplock intermediate transoms are available for 2 boards and 3 boards. Size Size (Meter) Weight(kg)1.05.001.36.301.57.001.88.002.08.602.39.602.410.003.012.00 Specifications Pipe : 48.3 mm O.D. , 3.00 to 3.10 mm Wall Thickness Plates : 6 MM Code No. : 1078 Centres of Standards : 1.25M The Transom has a T section with wedge lock fittings at each end. It is used for locating the timber battens or steel frame as platform.