New version fits onto the Hario Penta nut more tightly.
Adapter for Hario MSS-1B Mini Mill Slim Coffee Grinder to allow for a standard drill or electric screwdriver to be attached for electric grinding. The Hario has a penta 5-point nut on top that does not fit standard hex sockets. This adapter will allow you to use a standard drill for fast coffee grinding.
1.1 w x
2 d x
0.433 w x
0.787 d x