Strength of Steel is the fourth studio album by Canadian heavy metal band Anvil.It is the group's sole charting album in the United States, peaking at No. 191 on the Billboard 200 album chart in 1987. It was also the band's first release on Metal Blade Records. Two of the songs on this album ("Straight Between the Eyes" and "Wild Eyes") appeared in the film Sleepaway Camp II: Unhappy Campers.A music video was made for the song "Mad Dog".