you can get ratcheting 90* screwdrivers from most hardware stores. they'll hold regular screwdriver bits and help a hell of a lot in tight spots.
they're 7-10 bucks at sears depending on how many bits you want with it. the sears item number is 00941716000 if you want to check it out at their website
they're 7-10 bucks at sears depending on how many bits you want with it. the sears item number is 00941716000 if you want to check it out at their website