The ChrisNik MAG Nail® is a hardened survey nail designed for long-term durability and reliable point marking in surveying and construction applications. The nail is zinc plated with a clear chromate coating to protect against corrosion while meeting ROHS European compliance standards. With a large, easy-to-identify center point, the MAG Nail® serves as a practical replacement for PK or Parker Kalon nails across a wide range of surveying and layout applications.