An OptiMA® Exclusive! Dry erase boards with grid lines are perfect tools for classrooms, offices or manufacturing plant floors. Choose from magnetic wall-mounted boards, portable reversible options, or printed magnet grids that stick to any steel surface. Available in popular grid patterns like 1"x1" or 2"x2", these boards are ideal for planning and scheduling. Durable and versatile, OptiMA® grid boards meet all your organizational needs!