National Hardware Eye Bolt, Thread Type: Coarse, Thread Size: 1/4-20, Thread Length: 1-1/4 in, TPI/Pitch: 20, Shank Diameter: 0.21 in, Shank Length: 0.28 in, Eye Diameter: 0.56 in, 2-1/2 in OAL, Working Load Limit: 80 lb, Steel, Zinc, Includes: Hex Nut