Easily adjust the grind from fine to coarse by turning the knob on the top of the mill The pepper mill is fitted with a design registered carbon steel mechanism which strip peppercorns instead of crushing them, ensuring maximum flavour release from every turn. The salt mill is fitted with a sharp ceramic mechanism which does not corrode Iconic British design crafted from high grade beech wood, the London gift sets come in a beautiful presentation box making it an ideal gift. To clean, wipe with a damp cloth and use a clean cloth to dry. We recommend you do not use any cleaning products as this can affect the finish of the product. Do not immerse in water or place in a dishwasher. This Cole & Mason London salt and pepper mills are covered by our lifetime mechanism guarantee. Should your mill not meet the high standards and expectations of Cole & Mason products we will be happy to replace your mill for an alternative of equivalent value. Accidental breakage, poor care and damage from misuse are not covered.