Routing Eye Bolt System of Measurement Inch Eyebolt Type Turned Wire Material Steel Finish Zinc Plated Thread Size 1/4 In.-20 Thread Length 2 1/2 in Shank Dia 1/4 in Shank Length 4 in Eye Inside Dia 1/2 in Eye Outside Dia 15/16 in Overall Length 5 in Includes One Hex Nut Package Quantity 10