The manufacturer restricts distributors from selling internationally. Also, the manufacturer has discontinued the 220 V sharpener and will no longer be producing them. Some international dealers may still have stock. 

You can contact them at the website link below to find out more about where you might be able to purchase a 220 V sharpener, or a 115 V option if that applies in your country.

https://www.worksharptools.com/product/original-knife-tool-sharpener/