Dimensions: 6.5W x 3.25D x 6.5H in.. Robust ceramic, metal, and wood construction. Adjustable burr grinder. Run white rice through the grinder for optimal care. Hand-wash only. Fresh ground is best and the Twine Country Cottage Ceramic Coffee Grinder offers a traditional way to break down your beans. This ceramic coffee grinder features a crank-style, adjustable burr grinder on top and a lock-and-seal white canister on the bottom to catch and store the grinds. Running white rice through the grinding mechanism keeps it clean and functioning properly.