M6-1D-WBK, Double Arrow. White background with black symbol.

Specifications

  • Dimensions: 18X12, or 21X15 inches
  • Thickness:0.08 inch
  • Sheeting Type: Type I Engineer Grade, or Type III-IV High Intensity
  • Signs are made from rust-resistant aluminum.
  • Holes are pre-punched.
  • Type I sheeting is rated for 7 years of interior or exterior use.
  • Type III-IV is rated for 10 years of interior or exterior use.
  • It is recommended to use 30X30 inches or larger for roads above 35 mph or more.
  • For extra brightness and visibility, use Type III-IV.
  • This design meets Federal MUTCD regulations when applicable.
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