ChrisNik Mag Spike – 3/8″ × 6″ (Box of 20) The ChrisNik Mag Spike 3/8″ × 6″ is a heavy-duty magnetic survey spike designed for deeper control point installations. Manufactured from premium steel with a zinc-coated corrosion-resistant finish , the spike provides excellent durability while remaining easy to locate using magnetic locating equipment. The 6″ length allows for secure placement in a variety of soil conditions. Each box contains 20 spikes . Key Features • 3/8″ × 6″ magnetized survey spike • Premium steel construction for long-term durability • Zinc-coated corrosion-resistant finish • Magnetic properties for easy detection with locators • 1″ diameter head with center point • Packaged 20 spikes per box Ideal For Survey control points, construction staking, and longer-term ground markers where deeper installation improves stability and durability.