mastervision magnetic data cards make building and maintaining your planning board easier. These assorted color data card paper inserts are perforated every 1 x 2 and fits mastervision data cards fm1310, fm1325, and fm2632. Great for labeling shelves, filing cabinets, and other steel surfaces. Arrange data effortlessly when changes become necessary with mastervision magnetic data cards. Colors include white, salmon, green, blue, yellow.