The best manual burr coffee grinder from Prolex is their mini stainless steel model. It has a capacity of 20g and, even though it’s not even near to the capacity of the coffee hand grinder #6, it still makes great freshly ground coffee. The device features a range of adjustable settings with the ceramic conical burr with a diameter of 47mm. Made of stainless steel, this product is going to last long for sure!