making the ceiling grid,A)main tee:38*24,32*24,30*24,B)cross tee:30*24,26*24,C)wall angle ... );metric, lenght 3,600mmimperial,lenght 3,660mmSize:ceiling gridA) Main Tee: 38 X 24mm, 32 X 23mm, 30 x 24mmB) Cross ... Tee: 30 x 24mm, 26 X 24, 24 X 24mmC) Wall ...