ChrisNik Mag Nail – 1-1/2″ x 1/4″ (Box of 100) The ChrisNik Mag Nail 1-1/2″ x 1/4″ is a hardened magnetic survey nail designed for reliable control point placement and long-term detectability. The magnetized steel design allows the nail to be easily located with magnetic locators, while the zinc-plated coating protects against corrosion in outdoor environments. Key Features • 1-1/2″ x 1/4″ magnetized survey nail • Hardened steel construction • Zinc-plated corrosion protection • Magnetic properties for easy recovery with locators • Packaged 100 nails per box Ideal For Survey control points, construction layout, and benchmark installation where deeper or more secure anchoring is required.