This is a small handle for standard 1/4" screwdriver bits. It's incredibly handy for getting into tiny spaces that are too short for a standard screwdriver.
The total height with a bit installed is 1.1 inches/28mm. Additionally there is a small through hole added so bits can be pushed out using a small pin or nail.
Material suggestions: PLA, Nylon
Dimensions: 19.05mm x 17.70mm x 12.70mm