it is very hard to get the tiny ones out without taking out them all in a pile of very tiny bits. I miss read the description on the size so I was very shocked about the size but it definitely is the sizes that the post listed. its hard to tell what size is what so when I spilled it i couldnt tell which one went where Read more

Quality and size is very good Read more

Per reviews that are negative,,,,,these are micro bits, more suited for modeling for fine needle type holes,,,,with little pressure to drill out plastic or thin modeling wood, since they are fragile, but so are the same type of bits from hobby stores. They work perfectly for what i needed them for,,,,HO locomotive repairs , railings and such , plus micro led lights. No issues, perfect price thanks. Read more

I needed small drill bits and these work. I am using them to drill the optical fiber lines used for the lights on the Star Trek shuttle. Read more

uso en pcb Read more

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