As soon as you turn these mills upside down they start to grind. Turn them back and they stop. It couldn’t be easier to add freshlyground salt and pepper to your food! 21 cm tall, they’re stylish in strong, copperlook plastic and clear acrylic. You can even adjust the grind from the quality ceramic plates to suit your taste. A boon for anyone with weaker wrists, each requires 6 AAA batteries (not supplied) for effortless use.