glass ring???

can anyone tell me what this is?

Comments

  • It is *possible* that this is an insulator used in electric fences.

    What is the diameter?

    Notice the photo below - insulators like this have long been replaced with plastic. Seems like I have seen single rings in plastic at least

  • Thank you for your prompt response.The outside diameter is 1 3/4" and inside diameter is 3/4".Thanks again
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