Surveyors Mag nails, are used for land surveying and construction layout when critical points are needed to be set in asphalt, wood, or other such surfaces that a nail could be set into.

Since most of the points we set end up in the real world, we have to be able to visually find them in the future. In addition the points set by one particular surveyor may need to be recovered by yet another.

Survey Mag Spikes & Mag Surveyors Nails - Magnetized for easy detection

Optimized for the US made David White Smart Trak ST101 & ST102 Site Pro Magnetic Locator