prof2 standard is the ideal choice for complex constructions such as archs, complex, irregular forms and a vast series of openings. technical specifications in addition to the prof2 open, lt versions: guided composition f......prof2 standard is the ideal choice for complex constructions such as archs, complex, irregular forms and a vast series of openings. technical specifications in addition to the prof2 open, lt versions: guided composition for types with arches by hand free definition of chassis of whichever shape also with curve sides printout of curving lists function advance for the construction of lockings to tape advanced optimisation search of optimal length bar simulation of types of various profiles series