Comparison : Item # 1/4, 4130 Aircraft Heat Treated & Cold Finished Alloy Bars - Hexagons
Item # 5/16, 4130 Aircraft Heat Treated & Cold Finished Alloy Bars - Hexagons
Item # 3/8, 4130 Aircraft Heat Treated & Cold Finished Alloy Bars - Hexagons
Item # 7/16, 4130 Aircraft Heat Treated & Cold Finished Alloy Bars - Hexagons
Item # 1/2, 4130 Aircraft Heat Treated & Cold Finished Alloy Bars - Hexagons