Made in USA Prescott Plastics 1 1/4" (32 mm) Round Rubber Hole Plugs, Vinyl End Caps, Black Rubber Covers for Metal Tubing, Fences, Glide Protection from Chair Legs and Furniture (4 Pack)
Plastic Round Tube Insert Glide End Cap 32mm 1.26" OD 34pcs Deck Reduce Noise - Walmart.com