About this item

• Made for Mason Jars: Our coffee grinder lids are specifically designed to fit wide mouth mason jars (3.1” internal diameter). Transform your mason jar into a manual coffee grinder within seconds. Mason jars are sold separately.
• Premium Manual Coffee Grinder: Grind coffee straight into the mason jar that you plan to store it in. Ceramic preserves the aroma and flavor of coffee beans. Enjoy the fun of manual coffee grinding!
• For Anyone Who Loves Coffee and Mason Jars: Our lid is great for camping, traveling, or power outages. Grinder lid turns any mason jar into a portable coffee mill.
• Adjust Grinding Size: Remove the gold nut, the handle, and the round piece beneath it, then screw the gear-shaped piece up or down the threaded rod to move the grinder pieces closer or farther apart.
• Simple to Clean: Clea by grinding uncooked white rice to remove residuals and odors. Coffee grinder can be easily disassembled for a thorough cleaning. Rust Proof.