Salco Products (TC1NYP2A) 1-inch Nylon 6/6 Plug Assembly with Seal Hole and Stainless Steel Cable consists of a plug that has 1-inch NPT threads, and is made out of Nylon 6/6 material with a 9/32-inch seal hole drilled through the head, as well as a plug head protector made out of 18-8 stainless steel. The width across the flats of the head is 1-1/2-inches. Length of the thread is 1-inch with the overall length of the plug being 2-inches. Comes with a stainless steel cable assembly that consists of a 1/4-inch, 304 stainless steel, swivel link that is crimped around the plug, and is connected to a 3/16-inch, 304 stainless steel, cable with an approximate length of 6-inches.