Each long cross tee has a white/black pre-painted white face, which matches our white main tee, white wall angle and shadow line. The cross tee is 38mm high, the face is 24mm wide and is a length of 1200mm. It is manufactured from high quality 0.4mm galvanized steel (Protection against corrosion of any kind). A reliable lock system, that when fitted together has a distinct click. The end of each cross tee is stepped to prevent tee rotation and ensures no gaps between cross tees and main tees. Easily clicked into place and removed, with or without tools.