-

[red4]

-

 

[RedheadKevin]

What you're looking for is called a "Pin Vise." It's exactly what you're looking for, and it's made to hold little drill bits.

 

[division 6]

Micro Mark sells them.
LINK

 

[red4]

-

 

[red4]

-

 

[division 6]

You are looking for a cross chuck hobby knife.

You didn't saw what brand knife you have.

 

[division 6]

On Amazon you can get 2 handles an 60 blades for $8.99.

 

[red4]

-

 

[division 6]

A simple google search brings up what you're looking for.
I'm done here .