These handy Magnetic Data Card Holders by U Brands makes building and maintaining your planning board a breeze. To use, simply insert desired cardstock label into the side slot of the magnetic label holder. Perfect to visually communicate updates and quickly arrange data as needed. Features a strong magnetic hold that is perfect to use on any steel surface. Color(s): Black; Height: 0.5"; Width: 6"; Magnetic Accessory Type: Data Card.