ChrisNik Mag Nail – 3/4″ x 1/8″ (Box of 100) The ChrisNik Mag Nail 3/4″ x 1/8″ is a magnetized survey nail designed for establishing temporary or semi-permanent control points. Manufactured from hardened steel and coated with zinc and clear chromate for corrosion resistance , the Mag Nail retains magnetism for easy recovery with a magnetic locator. The compact 3/4″ size is ideal for shallow installations and surface control points. Key Features • 3/4″ x 1/8″ magnetized survey nail • Hardened steel construction for durability • Zinc-plated corrosion-resistant coating • Magnetic properties for easy detection with a locator • Packaged 100 nails per box Ideal For Survey control points, construction layout, and marking temporary reference points in asphalt, wood, or other surfaces where a compact magnetic survey nail is required.