Bottom tables can reduce the size of the loading area, allowing for isolation of specific parts of your product. Small shirts, double sided transfers and bags are good reasons why a interchangeable bottom table is used.DK 12 X 14 Table – All Thread StyleCompatible with DK16, DK16A, DK20, DK20A, DK20S, DK20SP, DK25S, DK25SP – rotatable portrait/landscape (pull-pin version)