Comparison : Item # 1/4, 4142 Heat Treated Cold Drawn or G & P Alloy Steel - Rounds
Item # 5/16, 4142 Heat Treated Cold Drawn or G & P Alloy Steel - Rounds
Item # 3/8, 4142 Heat Treated Cold Drawn or G & P Alloy Steel - Rounds
Item # 7/16, 4142 Heat Treated Cold Drawn or G & P Alloy Steel - Rounds
Item # 1/2, 4142 Heat Treated Cold Drawn or G & P Alloy Steel - Rounds