Used mostly, when a particular slab to be supported, has extensions beyond the slab below, or when a walk way has to be provided around the slab being poured. Also comes in handy, when drop beams are to be supported where the use of standards are restricted.

Three hollow tubes at the edge of the frame, allows slight adjustments in lengths outwards, from 1.2m to 1.3m and are available in two lift sizes – 1.0m & 1.5m. Here also, the tubes used are of Mild Steel of OD 48.3mm x 3.2mm thick.