This is a heavy duty hand mill that lets you get “off the grid”. Robustly built to allow you to have many years of milling your own flour at the remarkable rate of 75 gm/min by hand for fine flour. The mill stones are high grade corundum/ceramic and are self sharpening. The mill may be clamped to a table with the provided clamps or permanently screwed to bench. The mill is backed up with a ten year manufacturers guarantee.