TRE SPADE pepper and salt mills are traditional Made in Italy products, made from PEFC-certified beech wood, guaranteeing correct and sustainable wood and forest management through rigorous environmental, social and economic standards. The pepper mill mechanisms are made with: • TRE SPADE conic mechanisms of special tempered steel with mechanically produced precision teeth, and come with a 20 year guarantee; • Steel shaft with anti-rust surface coating. The salt mill mechanisms are made with: • TRE SPADE conic ceramic mills made in Italy; • Aluminium shaft.