Check the listing for details. Coffee Grinder Portable Manual Set Steel + Universal K-cup filter for Keurig. Condition: New. Listed at 16.99 USD. Manual Coffee Grinder is equipped with a professional grade ceramic conical burr to heighten flavors of the most exquisite coffees in the world; providing an incredibly consistent grind for a variety of brews, while making very little noise. Perfect for travel due to it's compact size.This manual coffee grinder is one of the most appropriate gifts you can present to a coffee lover, making their life easier. Great for special occasion, birthday, anniversary, house warming, etc.Manual grinding, without need for power or battery.Triangle shaped bottle body is more stable for easier grasping and smoother grinding.The Single Serve Universal Reusable Coffee Filter Cup is compatible with the Keurig 1.0, 2.0, K-Mini, and K-Supreme brewers & more. Constructed from high-quality plastic and durable stainless mesh for long-lasting durability. How to clean my Grinder? Take the adjustment knob off. Then, clean the ceramic parts using a soft bristle toothbrush and warm water. DO NOT put the grinder in the dishwasher. We recommend cleaning your grinder every other week, or when you change the blend.