【Durable Manual Coffee Grinder】 -- C3 ESP hand coffee grinder upgraded to full metal unibody and finer adjustment pitch, It is made of CNC machining stainless steel conical burr. Double bearing central axis positioning-uniform grinding particles. Burr size 38 mm-efficient grinding of coffee beans.【Adjustable Precise Coarseness】 -- The Coarseness of the coffee grinder manual is adjustable in approximately 36 levels. ESP pitch is finer and the adjusting disk is more precise, which is more suitable for espresso. You can easily grind the desired roughness from fine to coarse with the adjustment nut. Clockwise rotation get finer powder; Anti-Clockwise rotation gets coarser powder.【Well Labor Saving Performance】 -- The smoother movement is realized as the handle keeps turning for a while even if you release your hand due to the built-in bearing. In addition, a compact body of 52 mm that is easy to grasp even for small hands. And coffee grinder burr is possible to grind lightly with very little force.【Excellent Conical Grinding Burr】 -- Coffee Bean Grinder 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.【Easy Clean u0026 Carry】 -- Coffee grinder body weighs 700g, while maintaining a lightweight and moderate sense of weight and luxury. It is ideal for home use and for carrying outdoors or traveling. Easy to disassemble for cleaning - just be cleaned by brush.Specification:Color: Black, Green optionalCapacity: 25g coffee beansMaterial: 420 stainless steelProduct size: 14.7*5.2cmWeight: 430g