For orders to the USA, tariff calculations by Shopify are incorrect (too high). Contact me directly and I'll send an invoice payable online outside this site. Tariffs, if any, will be billed and prepaid. If Canada Post is on strike, an alternate carrier will be used regardless of what the shipping options say.
The top fixture is the insert that goes into the base of the stopper (top). The pentagon-shaped shaft goes into the top fixture when replacing the top after refilling.
This is for the original mechanism, not the newer CrushGrind Mini mechanism.
