Shaped like what? Like a lot of screwdriver handles with grooves in them? Better grip and to keep from rolling off tables would be my guess. The grooves allow that light touch when using your finger tips to snug things down.
When I went shopping for a 1/4" quick change chuck handle, I solely...
I found true hex driver nirvana a few years back, and didn't even know it!
I got the metric MIP Speed Tips a couple of years ago, and Malco Connext1 Quick Change Standard Nut Driver Handle for a new kit build. I thought to myself... so this is what everyone is raving about. I should have...