Product description Key benefits Precise grind control: Infinite adjustment knob lets you set the grind from fine to coarse so you can match particle size to your brewing method. Visible process: A transparent bean funnel lets you monitor bean level and flow during grinding for better control and less guesswork. Consistent performance: Dualbearing construction keeps the grinding mechanism concentric and balanced, producing more uniform grind results and reliable operation. Easy maintenance: Removable components simplify cleaning and reassembly so the grinder stays reliable over time. What it does and why it helps Delivers adjustable, repeatable grinding so you can dial in extraction without relying on preground coffee. The transparent hopper makes it simple to see when to refill and to check bean condition while grinding. Two bearings support the rotor and burr alignment, reducing wobble and improving grind consistency across grind settings. Removable design reduces effort for cleaning and routine maintenance, extending the life of the grinder. Function, compatibility and performance Function: Manual coffee grinder for whole coffee beans with an infinite grindsize adjustment knob and a transparent bean funnel. Compatibility: Designed for use with whole coffee beans and adaptable to a wide range of manual brewing techniques by adjusting grind size. Performance: Fine grinding capability with balanced, concentric operation thanks to the dualbearing setup; suitable for users who need precise, repeatable grinds without electricity. Practical use scenarios Home brewing: Dial in a fine to medium grind for pourover or drip coffee, with visible bean monitoring for consistent refills. Office or travel: Use as a compact manual option when a small, reliable grinder is needed and you want to control grind size. Coffee tasting and experimentation: Quickly compare grind settings and observe bean behavior to finetune extractions. Notes The grinder features an infinite adjustment knob, a transparent bean funnel, dual bearings for concentric grinding, and removable parts for cleaning and maintenance.