Sizes: 11" x 20" Max Width 360 mm x Max depth 584 mm Cutout width 308 mm x cutout depth 537 mm - (8180081) 12" x 18" Max Width 530 mm x Max depth 400 mm Cutout width 480 mm x cutout depth 360 mm - (8180082) 7" x 11" Max Width 260 mm x Max depth 357 mm Cutout width 208 mm x cutout depth 310 mm - (8180083)