Description
xProduct Overview
The Diatomiteco Mason Jar Coffee Grinder Lid is a smart, handheld way to transform a standard wide-mouth jar into a compact coffee mill. Designed to fit jars with a 3.1" internal diameter, it lets you grind directly into the jar you plan to store the grounds in. The compact stainless steel lid houses a ceramic burr, helping to preserve the character of your coffee while you grind, grind, grind.
Simple, tactile, and surprisingly versatile, this lid attachment is ideal for campers, travelers, and home baristas who enjoy fresh, small-batch grinding without electricity. It’s built to endure outdoor and kitchen use alike, with rust-proof construction and easy disassembly for cleaning.
Key Features & Design Highlights
- Fits wide-mouth mason jars (3.1" internal diameter) for quick setup and storage
- Ceramic burr preserves aroma and flavor during grinding
- Sturdy stainless steel lid with a rust-proof design
- Adjustable grind size by repositioning the gear piece on the threaded rod
- Easy to disassemble and clean; simple maintenance helps keep flavors fresh
In-Use Scenarios
- Great for camping, travel, or power outages where a manual grind matters
- Grind directly into the jar you intend to store into, reducing transfer and mess
- Carry a compact, portable grinder that pairs with your preferred mason jar setup
- Enjoy a hands-on grinding experience that can fit into routine morning routines or weekend rituals
Note: Mason jars are sold separately. This lid attaches to compatible wide-mouth jars to deliver a simple, manual grinding workflow without claiming any guaranteed outcomes.
FAQ
Q: What jars does the lid fit?
A: Fits wide-mouth mason jars with a 3.1-inch interior diameter for grinding.
Q: How should I clean and maintain the grinder lid?
A: Disassemble, rinse, and dry; occasional rice grinding helps remove odors and residues.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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