I've got a set of Magna Tip (regular and thin bladed) which I got from Brownells.
Very high quality and individual inserts are available as spares if you break or lose one.
https://www.brownells.com/gunsmith-tools-supplies/general-gunsmith-tools/screwdrivers-sets/index.htm
Very high quality and individual inserts are available as spares if you break or lose one.
https://www.brownells.com/gunsmith-tools-supplies/general-gunsmith-tools/screwdrivers-sets/index.htm