Material: Our manual coffee grinder features a full body made of non-slip aluminum, ensuring a sturdy grip while grinding. The conical burr is crafted from SUS420 high-carbon stainless steel, providing durability and precision. With no plastic parts and a double bearing fixed design, this grinder ensures a meticulous grinding process for your coffee beans. Easy to Disassemble and Clean: This manual coffee bean grinder is designed for convenience, allowing for easy disassembly without the need for any tools. Each package includes a specialized brush for cleaning and collecting residue, making maintenance a breeze. No water is required for cleaning, simply use the included brush to keep your grinder in top condition. Quick & Quiet: Experience the tranquility of grinding your coffee beans with our hand coffee grinder, which reduces noise by over 95% compared to electric grinders. The ergonomic handle and stainless steel conical burr allow you to grind enough coffee in less than a minute, so you can savor the moment without the distraction of noise. Just the Perfect Size: Whether you're enjoying coffee at home or taking your coffee experience on the go, this grinder is perfect for you. With a portable capacity of 20g and a wider bean inlet design, it's ideal for camping trips, backpacking adventures, office use, or wherever your travels take you!