
I was glad to get them because I never have them when I need them. They work great (rather, they should have been made where they at least don't work). But they use a magnet to hold the bits. And he's not very strong. This is how I turned the screw and 50% of the time I had to take the bit out of the screw and put it back in the holder. After playing around for a while, I found that if I pulled the driver correctly, I could increase my chances of getting some of this. But a stronger or more secure way of attaching the bits would be much better.

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