13 Sae Hex Keys for Mechanical & Electrical Repair This is a new set of 13 Sae hex keys. Great for mechanical and electrical repair. You receive: One 3/8" hex key One 5/16" hex key One 1/4" hex key One 7/32" hex key One 3/16" hex key One 5/32" hex key One 9/64" hex key One 1/8" hex key One 7/64" hex key One 3/32" hex key One 5/64" hex key One 1/16" hex key One 0.050" hex key Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.