This plug/cap will ONLY fit square tubing that is 1" outside dimension and 7/8" inside dimension. It will not fit any other tubing.

Please do not buy this cap thinking it might fit another size of tubing.

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This plug/cap will ONLY fit square tubing that is 1" outside dimension and 7/8" inside dimension. It will not fit any other tubing.

Please do not buy this cap thinking it might fit another size of tubing.



  • Convenient pack of 20 plugs for small projects.
  • Suitable for both light and heavy-duty applications. Full radius top ensures smooth motion as a glide.
  • Durable black ABS plastic with high gloss finish. Made of strong and durable thermoplastic for superior wear.
  • Press fit assures a secure hold in tubing. 45 Degree lead-in for easy installation.
  • Made in USA!
  • Convenient pack of 20 plugs for small projects.
  • Suitable for both light and heavy-duty applications. Full radius top ensures smooth motion as a glide.
  • Durable black ABS plastic with high gloss finish. Made of strong and durable thermoplastic for superior wear.
  • Press fit assures a secure hold in tubing. 45 Degree lead-in for easy installation.
  • Made in USA!

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