4-Rail™ Fiberglass Post

4-Rail Brown Feature
4-Rail Brown Feature
Fiberglass Marker Posts
4-Rail Profile top view 4"
3-Rail Impact GIF

4-Rail™ Fiberglass Post

The Rhino 4-Rail is the industry’s second most popular profile topped only by our 3-Rail™ Fiberglass Post.  It’s design allows the post to bend over when hit, then snap back into its normal upright position. Decals sold separately.


  • Pultruded fiberglass set in a composite resin
  • Side-rails and reinforcing rib provide strength and rigidity
  • Temperature stable
  • Fire resistant
  • Pointed end for easy installation
  • Posts with PolyTech Coating™ come with a 10-year warranty

Product Details

Anchor Barb Kits:
Available for use in sandy soil or for vandal resistance. The kit includes one metal anchor barb and two rivets. Kits may be ordered installed, uninstalled (with the posts drilled for rivets), or parts only (uninstalled, not drilled). A second metal anchor barb may also be purchased as part of the kit.

Lengths: 62" | 66" | 72"


Prevents FadingCompletely Blocks UV LightPrevents Fiberbloom10-Year Warranty

Standard Post Colors:

  • Brown

Alternative Post Colors: (Call for Availability)

  • Red
  • Orange
  • Yellow
  • Green
  • Blue
  • Purple
  • White

Installation Instructions:

Fact Sheet

PolyTech Coating™ US Patents:
U.S. 9,835,452 B2

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