12x12 12x16 14x18 16x16 16x20 18x18 18x24 20x20 20x24 24x24 24x30 includes 1) 24" crossbar 24x36 includes 1) 24" crossbar 30x30 includes 2) 30" crossbars 30x36 includes 1) 30 & 1) 36" crossbars 30x40 includes 1) 30 & 1) 40" crossbars 30x60 includes 1) 30" & 1) 60" crossbars, 4 steel plates 36x42 includes 1) 36" & 1) 42" crossbars 36x36 includes 2) 36" crossbars 36x48 includes 1) 36" & 1) 48" crossbars, 4 steel plates 36x60 includes 1) 36" & 1) 60" crossbars, 4 steel plates 36x72 includes 2) 36" & 1) 72" crossbars, 6 steel plates 40x40 includes 2) 40" crossbars 40x48 includes 1) 40" & 1) 48" crossbars, 4 steel plates 40x60 includes 1) 40" & 1) 60" crossbars, 4 steel plates 48x48 includes 2) 48" crossbars, 4 steel plates 48x60 includes 1) 48" & 1) 60" crossbars, 4 steel plates 48x72 includes 2) 48" & 1) 72" crossbars, 6 steel plates 60x72 includes 2) 60" & 2) 72" crossbars, 8 steel plates 60x84 includes 2) 60" & 2) 84" crossbars, 8 steel plates 84x96 includes 4) 84" & 2) 96" crossbars, 12 steel plates, spliced/foldable 84x108 includes 4) 84" & 2) 108" crossbars, 12 steel plates, spliced/foldable 84x120 includes 4) 84" & 2) 120" crossbars, 12 steel plates, spliced/foldable