Grooved Ceiling T bar 1) Main tee:15 x42 x 3.0m, or 3.05m, 3.60m, 3.66m 2) Cross tee:15 x42 x 1.2m, or 1.22m 3) Cross tee:15 x42 x 0.6m, or 0.61m 4) Wall angle: 21 x 21 x 3.05m, or 3.60m 5) Thickness:0.30mm and 0.40mm Groove surface white/Black Packing: Carton box.