Stainless Steel + Ceramic】Equipped with durable ceramic grinder with stainless steel body, ergonomic wooden handle. 【Adjustable from fine to coarse】Grit strength can be adjusted by turning the nut on the top to set your preference grind size. 【Widely Used】Can be used to grind coffee and vanilla, nutmeg, salt, pepper and other spices. 【Grinder portable coffee grinder 】 This portable coffee grinder requires no batteries or electricity to operate, allowing you to enjoy freshly ground coffee anywhere 【Manual design】 Provides much more pleasure in coffee preparation and provides more aromatic coffee because the beans do not heat up during the grinding process.