If using the CrushGrind® Wood shaftless mechanism, the design allows for the inclusion of a stopper in the top of the mill for refilling. It looks particularly attractive if you use a contrasting timber for this and the silicone sealing ring makes a secure fitting for the stopper.
7 November 2017
Too flimsy, not fit for purposeThe sealings rings I received were not at all like the ones in the picture advertising this product, but were very flimsy O Ring seals. There is no satisfactory way to incorporate them in the the mill and therefore not for for purpose.