In polycarbonate reinforced with grass fibres for high temperature (120°C), colour red RAL3002, FREE OF HALOGENS AND SELF-EXTINGUISHING, the blocks have to be fixed to rugger supporting raceways. Available in 4 different versions, represent the solutuion to the various problems of bar support. By changing the distance between tha small blocks on yhe supporting raceway it's possible to adjust for example the phase-phase distance between centers or to position one, two or more bars each phase, as well as by changing the distance between the couples , it's possible to adjust the height of the bars to be supported. It's reccomended to use reinforcing pawls.