[https://www.amazon.com/dp/B07PJ14NGD?tag=dmflip-20&linkCode=ogi&th=1&psc=1]
Made in USA Prescott Plastics 1.875″ Inch Round Vinyl Plug Insert (20 Pack), Black Tall Rubber Flexible End Cap for Metal Tubing, Fence, Glide Insert for Pipe Post and Furniture
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