Index Cards DIN A8 Landscape. Index card board 120 g/m². For more system when working and learning! Chlorine-free bleached. Card format: DIN A8 landscape. Packed in foil, 100 sheets. Made in Germany. Material: index card board 120 g/m². Card dimensions (W x D): 52 x 74 mm. Ruling: fine, thin blue lines. Header line: double. Colour of the index card board: white.