DIMENSIONS: This hole plug is designed to fit into a 7/8 inch hole in material that is between 1/16 and 3/32 inches thick. The head of this part is 1-1/16 inches in diameter and 1/16 inches in height. The overall height of the part is 19/64 inches. HIGH QUALITY - All products are rigorously inspected in-house to yield near-zero defect rates. RICH HISTORY - Founded in 1852, Stimpson produces the largest variety of standard and special eyelets, grommets, washers and hole plugs of any single company in the world. For Material Thickness: 1/16” and 3/32” Plating: Nickel-Plated or Zinc-Plated (Electro-deposited) This hole plug is designed to fit into a 7/8 inch hole in material that is between 1/16 and 3/32 inches thick. The head of this part is 1-1/16 inches in diameter and 1/16 inches in height. The overall height of the part is 19/64 inches.