Mag Spike Survey Nail - Magnetized for easy detection

Made from premium steel with zinc plating to resist corrosion, the Mag Spike is one of the most durable markers in the industry.  The Mag Spike is magnetized for easy detection and its large centerpoint and 1" diameter head makes it great for control points and property corners. The Mag Spike has also been coated with an environmentally friendly zinc and clear chromate to resist corrosion.