Feature:1. Manual coffee grinder with adjustable control help you get fine or coarse coffee powder,ensures you have precise and control the coarseness of coffee beans.2. The coffee grinder has a ceramic burr which ensures a precise, uniform grinding, avoid over heating of the coffee beans, maintain the flavor of coffee to a great extent.3. Manual coffee grinder comes with clear glass jars, the grinding monitoring is clear, convenient to keep powders or beans during outdoors.4. Silicone lid is soft to touch and convenient to add beans. Nonslip silicone base keeps the coffee mill in place during grinding.5. Lengthen stainless steel handle save your effort when grinding beans. With no battery, no electric needed, the hand coffee grinder helps you enjoy quiet mornings without any noise.Specification:Item Type: Coffee GrinderMaterial: PP + Glass + Ceramic + Silicone + Stainless SteelColor: BlackProduct Size: Approx.20.5x9cm / 8.1x3.5inWeight: Approx. 873g / 30.8ozApplication: Grinding coffeeHow to Use1. Remove the handle and locking ring.2. Hold the central shaft to rotate and adjust, clockwise for fine grinding, counterclockwise for rough grinding.3. Put the locking ring, handle and nut in place and tighten them. Package List:1 x Handle1 x Body1 x Spare JarNote:1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.