Stainless steel thumb grinder, spring loaded auction, This grinder is 15.5cm long and 3cm wide it fits into the palm of your hand well to operate this grinder simply use your thumb in a up and down motion and the Flavourmagic seasoning of your choice will grind finly onto or into your meal. With three grinds of this thumb grinder you will get 1/16th of a teaspoon of salt at the same time loads of flavour.