Wire drill bit holder

I only use a few wire size drill bits at work for light aircraft sheet metal work, so I made a small holder for multiples of each common small size (40, 30, and 21). That way I can keep them organized without buying a large drill file with sizes I don't need.

Size numbers for 30 and 40 are indented in the holder. 21 is raised in the well for the 21 bits.

While this holder grips each bit lightly, it won't retain the bits very well in a line bag. I lay this flat in my toolbox at work and it functions nicely.