Since 1922, Ampco Safety Tools has set the global standard for Non-Magnetic, Non-Sparking, Corrosion Resistant Hand Tools. Made of AMPCO invented aluminum bronze alloy they manufacture over 2,000 tools, nearly all of which are made in the USA. The tools are made with FM Approved alloys, independently tested and found to pose no known hazard in an MRI environment using a static magnetic field of 3-Tesla and a maximum spatial gradient magnetic field of 720-Gauss/cm or less.