Half a Millimeter is huge! Just finished replacing a part of my truck that required a 5.5mm socket. I had a 5mm, 6mm, 1/4, and 3/16, none of them worked. The M

Half a Millimeter is huge! Just finished replacing a part of my truck that required a 5.5mm socket. I had a 5mm, 6mm, 1/4, and 3/16, none of them worked. The M.2 slot requires downward pressure.