Machinery Eye Bolt System of Measurement Inch Eyebolt Type With Shoulder Material 304 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 Shoulder Dia 0.56 in to 0.62 in Shoulder Length 5/32 in Eye Inside Dia 5/8 in Eye Outside Dia 1 1/4 in Overall Length 3 3/4 in Length from Ream Center - Working Load Limit 800 lb Includes Nut