You can't under estimate a good set of screwdrivers. The soft rubber handles give you the grip you need even when you are cover in grease and grime. They are the perfect size for derailleur adjustments. Don't skimp and use bargain bin tools to work on expensive components. You get what you pay for. These tools are made to last.
i have been needing a designated set of screwdrivers for my bikes. These are just right. I have them hanging on the pegboard above my workbench. Limit screw adjustments deserve the right screwdrivers and this set has it covered.