About this item 7 Star 420 Stainless Burr: Zalnuuk coffee grinder uses the special 38mm 7 star 420 stainless steel burr, the cost is about 20 times that of a ceramic burr. Compared with the 5 star burr, the texture is harder, the grinding speed is faster, more durable, the fine powder rate is low, and the uniformity is better External Adjustable Design: Our coffee grinder only takes one turn to meet the needs of the whole field of grinding, Designed like a camera lens, the adjustment is smooth and the sound feedback is full of mechanical feeling. Advice: Espresso (2-3), Mocha (3-4), Pour-over Coffee (5-8), French Press (8-9) Well Labor Saving Performance: The larger walnut handle is easier to hold and has more texture than the plastic handle, making your grip more comfortable. The curved rod design makes grinding easier and more friendly for female friends. Upgraded magnetic design, even if your coffee grinder upside down will not easily leak, you do not need to worry about coffee beans spilled on the floor Nice Gift: Full body aviation aluminum metal material, walnut handle, 7 star stainless steel grinding inner burr, external design, three-bearing fixation make Zalnuuk manual coffee grinder more texture, which is not only your quality coffee companion, but also your friends and family members excellent gift Tips: To protect the burr, do not grind in the 0-1 range. If you have disassembled and cleaned your grinder, you can watch our video to install it. If you have any questions, you can contact us and we will reply you within 24h › See more product details