Fuller Tool 890-1071 12-Point Reversible Ratchet Brace with 2-Jaw Chuck
The Fuller Tool 890-1071 12-Point Reversible Ratchet Brace (with 2-Jaw Chuck) is a favorite of the purist who works without power.  This tool is simple to use, having a bit chuck on one end, a u-shaped crank in the middle and a handle at the other end.  Best for screwdriver or auger bits.