Salco Products (EB786XSNHASC) 7/8 x 6-Inch Carbon Steel Eyebolt Assembly with Safety Catch and Huck River, Heavy Hex Ferrule Nut features a ASTM A307 Grade B carbon steel eyebolt that is 7/8-inch in diameter and 6-inches in length with a 13/32-inch seal hole. The eyebolt has 7/8 -9 UNC -2A rolled threads with the length of 4-inches. The inner diameter of the eye is 13/16-inches, with the outer diameter being 1-3/4-inches. Includes a 7/8-inch, ASTM A194 Grade 2H carbon steel, heavy hex ferrule nut, and a 7/8-inch x 2-3/4-inch, 316 stainless steel, eyebolt safety catch. There is a 1/4-inch x 13/16-inch, 304 stainless steel, huck rivet at the end of the threads to prevent the heavy hex ferrule nut from coming off.