AMC Spice Pepper Sea Salt Grinder, Adjustable Grinding Design High-quality clear glass construction with stainless steel accents Simple durable top design allows you to easily turn and fill the grinder Ceramic mechanism features an adjustable coarse or fine grind function The faster the spice is used after grinding, the fresher and more flavorful it will be Manual operation and requires no batteries; Perfect kitchen accessory and a great house warming gift idea for friends and family