For the screwdriver, you could use the SwissTool Wrench and bit set. There are also lots of different handle styles for use with bits like one ones pictured below,(Image removed from quote.)(Image removed from quote.)
I like the look of both of those what is the brand of them or where did you get them
Crkt came out with a cool screwdriver recently as well https://www.crkt.com/hex-bit-driver-tool.html
Looks like they stole the design from a pinch hitter (Image removed from quote.)