Facom Stubby arb 5.5x4.0

I m personally fan of facom tools, one of he worlds best in quality tools specially the screwdrivers, spanners, they are extremely rugged, this stubby costed me 30euros,

I have only two of them, one with + and one wih - blade.
Note#I dont prefer to copy paste details from Mr Google
I have few more stubby from facom.