1) Ceiling T-grid / keel 2) Together with mineral fiber board 3) Used to make ceiling for offices, shops, or Detailed Product Description Ceiling grid: Specifications: 1) Main tee: a) 24 x 38 x 3,600mm b) 24 x 32 x 3,600mm c) 24 x 26 x 3,600mm 2) Cross tee: a) 24 x 26 x 1,200mm b) 24 x 24 x 1,200mm3) Small tee: a) 24 x 26 x 600mm b) 24 x 24 x 600mm c) 24 x 20 x 600mm 4) Wall angle: 22 x 20 x 3, ...