The Favorite Field Sign Fasteners of the Ag Industry!

Corn sign beside field of corn

Designovation’s NULOC Field Fasteners are recognized as the best-selling field sign fastener in North America. Millions can be found alongside US & Canadian crop fields because of their reliability & ease of use.

Function: Provide the locking mechanism which attaches the ag sign to the sign post.


  • No side stapling required
  • Quick assembly & disassembly
  • No tools required
  • Maintenance free
  • Reusable year after year
  • Available in your choice of color
  • Adjustable locking positions

Start saving money now with the only patented fastener for agricultural signs!
Contact us with any questions. We look forward to speaking with you.