stanwood wind sculpture non tangle flagpole swivel/rotating ring, anodized aluminum spinner with stainless steel bearing - 1", pack of 2 - proudly made in the usa stanwood wind sculpture for sale is a pair of non-tangle flagpole rotating rings. they are made of anodized aluminum material and engineered to last forever. they are designed to survive harsh elements except for salty environments. stainless steel bearings enable those super sensitive rotating rings to prevent the flag from wrapping around the flagpole. our design also allows easy replacement of bearings if worn out. shown in the picture is using a pair of rings to hold 3' x 5' flag mounted onto a 5' x 3/4" copper plumbing pole. mounting bracket for pole, pole, and flag are for illustration only and not included in this sale. size: 1 inch, it fits poles with an od between 3/4" to 1". attention: it does not fit 1" plumbing pipes since plumbing pipes od is 1 1/8".