18" Dimensions:
Width 457mm / 18 inches
Height 163mm / 6.5 inches
Depth 152mm / 6 inches
 
24 " Dimensions:
Width: 610mm / 24 inches
Height: 163mm / 6.5 inches
Depth: 152mm / 6 inches
 
30 " Dimensions:
Width 762mm / 30 inches
Height 163mm / 6.5 inches
Depth 152mm / 6 inches
 
36" Dimensions:
Width 914mm / 36 inches
Height 163mm / 6.5 inches
Depth 152mm / 6 inches