Robust rail, luminaire inserts and gear tray of sheet steel, pure white (similar to RAL 9010) Reflectors of aluminium Mounting of luminaire inserts and reflectors and electrical connection of inserts in track carried out without tools in one step | mechanical locking with simple, easy to use rotary catches | rotary catches (for secure fastening of inserts and reflectors within track) of metal, with colour-accentuated plastic cladding | Connector and suspension elements of metal | wide distances between suspension points of 3.5m with robust connector elements |