Day-Timer Magna Pad Refills, Graph Pages, 8.5 x 12 Inches, Set of 2 Pads (D16826) 2 graph pads feature .25, .125, .0625 inch gridlines to accommodate all of your graphing needs Page includes a subject/date header so you can keep your notes organized by topic and chronological order Pages are perforated for easy removal and printed on paper with 50 percent post-consumer material Set includes 2-8.5 inch x 12 inch pads, 70 sheets per pad, with a writing surface of 8.5 x 11 inches 8 squares per inch