NutriMill Harvest Stone Grain Mill, 450 Watt Gold. out of 5 stars 5. 259. 00. Get it as soon as Mon, Jul 8. FREE Shipping by Amazon. ... Happybuy Electric Grinder 2 Roller Mill Homebrew 40PRM Malt Crusher with 11LBS Hopper for Grains Barley Grinding. out of 5 stars 6. 189. 97.