Product description: 1,easy installation 2,rust resistance 3,stability effect USAGE: The ceiling t bar including Main Tee , Cross Tee and wall angle. which are made of galvanized steel and prepainted steel. This production are available in Imperial System and Metric System, can be made of different size.SPECIFICATION:ItemSpecificasion ( MM )Main teeMetric38*24*360032*24*3600Imperial38*24*366032* ...