While leafing through my “Ideas for TM Posts” file, I found a page I had cut from the Feb. 2009 issue of Popular Mechanics that mentioned the Klenk DA86450 Select-A-Bit™. It’s a ratcheting screwdriver with a 4:1 gearing produced by holding the nose piece (which causes the bit to turn four times for each single turn of the handle). The 4:1 option is for driving screws and nuts in low-torque applications; the 1:1 ratio is recommended for higher-torque.
It comes with the eight, double-ended 3″ long bits stored in the handle, giving you the following 16 bit sizes:
And, unless there’s some new bit standard out there that I’m unaware of, I’m assuming that “Torks” is a typo for “Torx.” If no bit is inserted, the bit holder can be used as a ¼” nut driver. The DA86450 costs around $20.
TM has covered geared screwdrivers before (10/5/09), and had lots of comments when we asked who makes the best multi-bit screwdrivers (3/5/09), so where does this one fit in the mix? Let us know in comments.