Expo Multi-Color Chisel Tip Magnetic Dry Erase Marker Set, lock your whiteboard markers to any metal surface with Expo Magnetic Dry Erase Markers. An integrated magnet provides convenient and care-free storage on metal-backed white boards and other metal surfaces. Cap features a handy Expo eraser for precise, on-the-fly erasing. Each Expo dry erase marker has a versatile chisel tip that draws 3 line widths and quick-drying, low-odor ink that is perfect for both the office and classroom.