Post Type (1)Square post(mm): 40 x 40; 50 x 50; 60 x 60; 80 x 80; thickness: 1.2mm, 1.5mm, 2.0mm, 2.5mm (2)Round post(mm): 38, 48, 60, 75; thickness: 1.2mm, 1.5mm, 2.0mm, 2.5mm (3)Peach post(mm): 50 x 70, 70 x 100; thickness: 1.2mm (4) I shape post(mm): 70 x 44; thickness: 1.5mm