Comparison : Item # K2021, 1/4-20 X 1 SHOULDER PATTERN EYEBOLT (ASTM A489)
Item # K2022, 5/16-18 X 1-1/8 SHOULDER PATTERN EYEBOLT (ASTM A489)
Item # K2023, 3/8-16 X 1-1/4 SHOULDER PATTERN EYEBOLT (ASTM A489)
Item # K2023-A, 3/8-16 X 3/4 SHOULDER PATTERN EYEBOLT (ASTM A489)
Item # K2023-AA, 3/8-16 x 5/8 SHOULDER PATTERN EYEBOLT (ASTM A489)