Form K-1400-2 Time Cards are designed to work with all standard front load time recorders from Amano, Acroprint, Compumatic, Icon, Lathem, Simplex, and others... Bi-weekly format, printed on both sides, one week per side Named days, Monday to Sunday Card dimensions 3.375 inches wide, 9 inches long. *Not compatible with top loading clocks, thermal print clocks, or calculating clocks.