Seco Marking Pins The Seco 2183-00 Marking Pins are durable, high-visibility layout pins designed for quick and reliable point marking in surveying and construction applications. Constructed from spring steel, they provide dependable performance for temporary control points and general site layout work. Each pin is powder-coated in alternating red and white inch markings for improved visibility and easy depth reference in the field. Designed for durability and repeated use, they are ideal for a wide range of layout tasks. Key Features • 3/16" spring steel construction for durability • 14" length for secure ground placement • Powder-coated red/white alternating inch markings for visibility • Ideal for temporary survey and layout marking • Supplied in 11-count pack • Compatible with Marking Pins Quiver (sold separately, P/N 8041-00-ORG)