"Time Clock Cards, Replacement For 331-10, Two Sides, 3.5 X 8.5, 500/box | Bundle of 2 Boxes"

Equivalent to time clock manufacturer's time cards. Extra-heavy 143-lb card stock.You may also like Time Clock Cards, Replacement For Atr206/c3000/m-154, One Side, 3.38 X 8.25, 500/box | Bundle of 5 Boxes.