I've used them all and none are in the same league as the Wiha.



http://www.kctoolco.com/wiha-adjustable-torquevario-10-50-in-lbs-p/28506.htm

You will need this quarter inch adapter.

http://www.kctoolco.com/wiha-bit-holder-adaptor-blade-for-1-4-bits-p/28581.htm

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