These stripped screw bits never worked for me really well. I had much better success with following.
1. If you got a frozen screw that is not stripped yet use Impact Screwdriver. Like this one: http://www.amazon.com/dp/B000NPPATS/?tag=atomicindus08-20
2. If your screw is already stripped, as I...
This works much better than any screws extractors and cost the same as these three sets: Engineer PZ-58 Screw Pliers GT by Engineer http://amzn.com/B002L6HJAA
There is Waterloo tool chest 40x16x20 on sale at Enco for $269. Free shipping. Seems like a good deal.
Does anyone have a similar Waterloo chest? How do they compare to HF chests?