The Cole & Mason Richmond Electronic mill set offer a sleek and contemporary way of seasoning your food for those that prefer electronic mills to manual ones. Made from high quality acrylic and ABS with a contemporary brushed chrome and black finish they make a stylish addition to any kitchen or table whilst still being an essential everyday kitchen tool. To start grinding simply press and hold the button on the top and release once you've finished seasoning. Adjust the grind from a fine to a coarse setting to suit your dish using the knob situated at the base of the mill. To fill the mills, simply twist the acrylic middle and brushed chrome top so the padlock symbol aligns with the unlock symbol. Remove the top, fill with your choice of whole peppercorns and coarse salt then replace the top ensuring you align the padlock symbols. Each mill requires 6 x AAA batteries (not included). Alkaline batteries are recommended rather than zinc due to the amount of force required to grind the salt and pepper. All Cole & Mason mills are covered by the lifetime mechanism guarantee giving you the confidence to season like a professional for years to come. The Precision mechanism is made from hardened carbon steel that strips instead of crushing peppercorns allowing them to release their natural oils which gives you more flavor with every turn.