This might do the trick
https://www.amazon.com/CHARD-GM-150-Grain-Mill-Coated/dp/B00A2YG6C0/ref=sr_1_14?keywords=grain+grinder&qid=1573981404&sr=8-14
For higher quality German made
https://www.amazon.com/Happy-Mills-Kornkraft-Mulino-Handmill/dp/B01BQU1QKA/ref=sr_1_1?keywords=kornkraft&qid=1573981553&sr=8-1