ChrisNik 23MAG-HUB8 1/4 x 8 Inch MAG HUBS The MAG HUB is magnetized for easy detection and galvanized coating to resist corrosion. It has a large center point and looks like a standard survey marker. The MAG HUB is less than half the price of a stake and is easy to carry. Not made to be driven in concrete or asphalt.
