Mamba Triad Marker Post


Three-sided, durable, HDPE marker post for high visibility to buried utilities. Industry-best, single wrap decal provides maximum 360-degree visibility and no pealing. Decal alerts excavators to buried pipes/cables and can be customized with utility’s brand, 811 logo, and Call Before You Dig logo.

Features and Benefits


  • 3-sided for high visibility
  • Impact resistant
  • Attached anchor clip provides stability
  • Recyclable material
  • UV stabilizing components to prevent fading
  • Retrofit over other triangular posts
  • Designed to easily attach to a U-Channel post with a simple drive rivet



  • Full-wrap decal
  • No pealing
  • WARNING message on 3 sides
  • 20% increased visibility for better long-distance viewing





U-Channel Support Post







Download the product data sheet