For the small stuff like you want it for I like and use the most is a Wiha 28554 TorqueVario-S Handle, Newton Meter Scale 2.0- 8.0Nm not cheap but worth every penny, you also want to get these 2 adapters for a full range of uses Wiha 28582 Square Drive Adapter For 1/4-Inch Sockets and Wiha 28581 Bit Holder Adapter For 1/4-Inch Drive Bits adapters can be found for only $8 each.
Wiha 28554 TorqueVario-S Handle, Newton Meter Scale 2.0- 8.0Nm
Get at least the Wiha 28581 Bit Holder Adapter For 1/4-Inch Drive Bits and you can use any 1/4" bits with it.
and if you want to be able to use sockets also get the Wiha 28582 Square Drive Adapter For 1/4-Inch Sockets