1.Infinitely grind clockwise rotation The finer the tea powder is ground the coarser it is counterclockwise, this manual coffee grinder is suitable for all brewing methods, allowing you to enjoy a perfect cup of fresh coffee and espresso in the morning. 2.Separate rocker disassembles easily and conveniently for storageSunken grinding compartment is not easy to wine out for easy discharging 3.The manual coffee grinder assembly requires no batteries, power or long plastic rope to operate. This allows you to enjoy freshly ground coffee beans at home or on the go, good camping coffee grinder. 4.This manual coffee grinder is a good gift for coffee lovers, father's day or traveling lovers. 5. COMPACT AND SPACE SAVING: The coffee grinder is compact and space saving, a good choice for kitchen or office.