Eye Nut Finish Black Oxide Material Steel Thread Size 1 1/4 In.-7 Thread Length 2 7/32 in Eye Shape Oval Eye Inside Diameter 2 1/2 in Eye Outside Diameter 5 1/4 in Overall Height 6 5/8 in Working Load Limit 29 400 lb System of Measurement Inch Base Diameter 3.125 in Base Height 2.219 in Bore Type Threaded Tapped Eye Thickness 1.375 in Material Fabrication Drop Forged Material Grade/Class Not Graded Material Quality Standards ASTM A105 Pack Size Small Pack