Machinery Eye Bolt System of Measurement Inch Eyebolt Type Lift without Shoulder Material 316 Stainless Steel Finish Plain Thread Size 5/16 In.-18 Thread Length 1 1/2 in Shank Dia 5/16 in Shank Length 2 1/4 in Eye Inside Dia 5/8 in Eye Outside Dia 1 1/4 in Overall Length 3 17/32 in Working Load Limit 800 lb Includes (1) Stainless Steel Hex Nut