Premium Gourmet mills feature superior grinding mechanisms and are hand sanded to give an ultra smooth finish. Gourmet mills are 100% natural beech and are sourced from sustainable forests. For pepper - made of machine cut hardened carbon steel giving superior grind performance - Great throughput - delivers more ground pepper in one half turn than other mills - highly durable-tested for durability and grind performance for 100,000 revolutions For salt - features a diamond-sharp ceramic salt grind mechanism - non-allergenic, odour free and hygienic for milling of salt and spices Spring loaded mechanisms gives consistency of grind Lifetime guarantee on the salt and pepper mechanisms A rich, confident colour for mills that demand to be seen, held and appreciated. The black mirror-finish polyurethane coating enhances any table setting, and turns seasoning into an event.