Graphing is easy with this coordinate line white board that has a porcelain steel surface (takes magnets). The rectangular grid pattern forms 1" squares over the complete board. A handy map rail runs along the top, and a full-length marker tray is included across the bottom of the board.
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OneStopErgonomics.com 119 Crater Lake Avenue, Medford, OR 97504(800) 898-0280