Features 1. The manual coffee grinder is equipped with two transparent glass jars, making it convenient to store powder or coffee beans outdoors. The silicone cover has a softs touch and is convenient for adding beans. The anti slip silicone base can keep the coffee grinder in the appropriate position during the grinding process. 2. The coffee grinder features ceramic burrs, ensuring precise and even grinding, avoiding coffee beans from overheating, and maximizing the flavor of coffee, making this hand cranked coffee grinder the best choice for coffee enthusiasts. 3. The manual coffee grinder has an adjustable control function, which can help you obtain fine or coarse coffee powder, and ensure that you can accurately control the coarseness of coffee beans when making press pots, drip filter coffee, espresso coffee, Trkiye coffee, etc. 4. Extend the stainless steel handle to save effort when grinding beans. The handheld coffee grinder does not require batteries or electricity, and can help you enjoy a quiet morning without any noise. The grinder is detachable and easy to assemble, which means all components can be cleaned. Please thoroughly clean the grinder after each use to keep the coffee fresh and flavorful. 5. Packaging list: 1 manual coffee grinder and 1 glass jar. Specification Style: Double bearings Powder bin: glass Anti collision pad: silicone Hardware accessories: 304 stainless steel Core grinding: food contact grade ceramics Body: Food contact grade PP Color: Black Size: 28.5 x 18.5 x 11 cm Weight: 830 g Package Include: 1x Hand Coffee Grinder