From SitePro, the CST HI-Magnetic masonry surveys nails are used to specifically mark a survey point location. They are designed to be detected and located using a magnetic ferrous locator.

Measuring 2 1/2 inches with a 1/4 shaft, the CST masonry nail is 3 times easier to locate the other nails on the market. Most preferred by professionals, the nails are Zinc plated to resist corrosion with a large targeted centre point. Supplied in a hi vis velcro orange pouch.