Sharp rod

I'd Like to Know:

Make, model, use, etc

Item History: Have several different lengths and widths of the same item. Specific sizes down to a 32nd. One end sharpened to a dull point, the other sharpened to a polished fine point that is very very sharp. Appears to be stainless, but is magnetic.

Size: 5/16" Dia, 16" OAL

Markings: None

Color: Raw

Material: Steel

Model Number: No

Manufacturer: No

Brand: No