Salco Products (EB16XHA2S6TCP) 1 x 6-Inch Stainless Steel Eyebolt Assembly with Seal Hole and Safety Collar, Heavy Hex Nut features a, 316 stainless steel, eyebolt that is 1-inch in diameter and 6-inches in length with a 13/32-inch seal hole. The eyebolt has 1-8 UNC -2A rolled threads with the length of 4-3/4-inches. The inner diameter of the eye is 15/16-inches, with the outer diameter being 2-inches. Includes a 1-inch, 316L stainless steel, collar as well as a 1-inch, 416 stainless steel, heavy hex nut, and a 1-inch, 316L stainless steel, flat washer with 3-inch outer diameter. There is a bead of weld at the end of the threads to prevent the heavy hex nut from coming off.