Reamer handles

I like to ream holes to size rather than drill them and have acquired a selection of eBay and other on-line sourced hand reamers. And now I've made handles for them which is more convenient than using one tap wrench for a range of reamers.
The square holes are sized to be a light drive fit with the reamer.
Designed in MOI, made in Diamond Age PLA on an Ultimaker 1.