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The choice nail for land surveyors, ChrisNik mag nails and spikes are magnetized for easy detection, and coated for longevity. You can pound mag nails harder and find them farther than any other survey nail. 

ChrisNik’s land surveying equipment includes heavy-duty survey markers, survey nails, mag nails, mag spikes, and magnetic locators for locating survey markers under the ground and around metal buildings. Corrosion-resistant nails are the industry’s favorite for surveying construction and engineering purposes. ChrisNik’s field supplies save you money and time by helping you organize your data and work.