Decker's Improved Blair Hog Rings No. 6 is made from stainless steel and boasts a 12.5 Ga thickness for superior strength and durability. Ideal for use in the construction of hog pens, feeders and other animal enclosures, the copper color ring comes in a pack of 100 and is 1 3/8 in. in diameter. Trust the Decker Manufacturing Co. for all your animal ring needs.