main tee bar tee grid ceiling tee grid ceiling tee bar Exposed Groove T-Grid / T-Bar System Wall Angle Size (Height×width×Length) 20×16×3000mm 20×16×3600mm Thickness:0.3mm,0.4mm Cross Tee Size (Height×width×Length) 42×15×1200mm 38×15×600mm 42×15×1220mm 38×15×610mm 42×15×600mm 32×15×1200mm 42×15×610mm 32×15×1220mm 38×15×1200mm 32×15×600mm 38×15×1220mm 32×15×610mm Thickness0.3mm,0.4mm Main Tee Size (Height×width×Length) 42×15×3600mm 42×15×3660mm 38×15×3600mm 38×15×3660mm 32×15×3600mm 32×15×3660mm Thickness 0.3mm,0.4mm,