Salco Products (EB787HAS6C) 7/8 x 7-Inch Stainless Steel Eyebolt Assembly with Seal Hole and Safety Collar, Heavy Square Nut features a 316 stainless steel eyebolt that is 7/8-inch in diameter and 7-inches in length with a 13/32-inch seal hole. The eyebolt has 7/8 -9 UNC -2A rolled threads with the length of 5-inches. The inner diameter of the eye is 15/16-inches, with the outer diameter being 1-3/4-inches. Includes a 7/8-inch, 416 stainless steel, heavy square nut. A 7/8-inch, 316 stainless steel, flat washer with a 2-inch outer diameter, and a 7/8-inch x 1-1/4-inch, 316 stainless steel, eyebolt safety collar. There is a 1/4-inch x 13/16-inch, 316 stainless steel, huck rivet at the end of the threads to prevent the heavy square nut from coming off.