100 uPunch Time Cards for HN4000 Easier to find the correct time card! HN4000 Calculating uPunch machines, time cards, and ribbons have the same gray color for making sure you get the right replacement products. 50 count time cards with four columns for in and out punches. Column for total regular hours worked and overtime hours worked. Double-sided monthly time cards. For use with the uPunch HN4000 time clock.