This traveller, 260 mm long (SWL = 2800 kg), is fitted with a special connection for one (size 100 mm) or two (size 80 mm) Antal sheet blocks and with 55 mm control sheaves. The complete system includes 2,5 m long track. The sheet blocks (OPF 80 and 100, page 64-65) are not included. The blocks in the OPF series to be mounted on the 4Race cars must have a special long swivel head as described on page 57; add /J2 to the block model code.