1. High Quality and good raw material2. High strength ceramic grind core・ high hardness・ wear and corrosion resistance・ safety and nontoxic3.2pcs convenient and practical4 .Highly quality and easy to cleaning. Very sleek and compact with an efficient ergonomic design which is durable and extremely usabie and works with precision.5.Releases maximum flavor and aroma by first cracking each peppercon before it is ground. Easy cranking to turn coarse sea salt・ pepper and other fillers into fine consistent powder with a good quantity.