Screwdriver handle adapter for 1/4” hex bits with bearing

This handle allows you to make fully functional screwdriver from screwdriver bit. Suitable for precision bits, like PH0.
Back is rotating using bearing. Applicable for long bits, so hex part is fully inserted inside handle.

Screwdriver bit diameter: 1/4” = 6.35mm hex
Bearing size and model: 3mm height, 6mm inner diamener, 10mm outer diameter (6x10x3 bearing, MR106ZZ)