Comparison : Item # 11, 4150 Mod Resulphurized Hot Rolled Heat Treated Pressed - Rounds
Item # 12, 4150 Mod Resulphurized Hot Rolled Heat Treated Pressed - Rounds
Item # 12 1/2, 4150 Mod Resulphurized Hot Rolled Heat Treated Pressed - Rounds
Item # 13, 4150 Mod Resulphurized Hot Rolled Heat Treated Pressed - Rounds
Item # 13 1/2, 4150 Mod Resulphurized Hot Rolled Heat Treated Pressed - Rounds