Kalita Diamond Mill N (Red) Hand Coffee Mill Cast Iron N Antique Grind size adjustable Although it has hardly been used, it has been on display for a long time. I don't see any parts that seem to have problems with use. From the catalog Product weight: 3.3 kilograms Product dimensions (length x width x height) Material: Teeth/Hard cast iron burrs Hopper maximum capacity: Approximately 50g Powder receiver maximum capacity: 60g (medium grind) Details: https://www.kalita.co.jp/products/mill/3187 Type: Mill This is the Kalita Coffee Diamond Mill Red.