- Durable stainless steel with an adjustable ceramic burr that resists rust and wear, delivering consistent grind quality over time. - Easy to use and easy to clean. Simple construction, straightforward grinding process, and quick cleanup. - Adjustable grinder with wide compatibility for Pour Over, Drip, Chemex, Cold Brew, French Press, Percolator, AeroPress, Turkish, Espresso, Keurig K Cup, plus Herb and Spice grinding. - Travel friendly. No batteries, power, or long cords needed, so you can take it on camping, hiking, backpacking, or any outdoor trip and brew freshly ground coffee. - Use scenarios: 1) Camping or hiking: grind fresh beans at the campsite for a clean, satisfying cup. 2) Office or travel: have a portable grinder for on-the-go brewing with multiple methods. 3) Home spice or herb use: grind dried herbs or spices directly for cooking.