Manual Coffee Grinder With Adjustable Settings For High Precision Pouring Of Espresso, Turkish Or Cold Extract Coffee|Electric Coffee Grinders The stainless steel grinding core is precision CNC cutting and shaping, the sharp blade can quickly and evenly cut coffee beans, the grinding is labor-saving and smooth, and the grinding time is short. Patented invention of thickness adjuster. Easy to adjust grinding thickness to meet different needs. High-precision CNC steel grinding core [Excellent blade]: The milling blade with 55-58HRC hardness in 5-axis CNC machining realizes uniform grinding with almost no excessively coarse grains. At the same time, the generation of fine powder is minimized. The grinding core made of ceramic is cast, and the edges are relatively dull. The grinding method is extrusion rather than cutting. It takes a lot of effort to produce a lot of fine powder at the same time, and the extraction is uneven. However, due to its low cost (only CNC stainless steel 5% of core cost), commonly used in the market for low-end hand mills and pepper mills. Colour: Black Material: Aluminum + Stainless Steel + PC Package Contents: 1pcs x Hand coffee machine Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.