【Stainless Steel + Ceramic】Equipped with sturdy ceramic grinder mechanism with stainless steel housing, ergonomic wooden handle. 【Fine to coarse adjustable】The thickness of beans can be adjusted by turning the nut on the top to set your preferred grinding size. 【Widely Used】Can be used to grind coffee and vanilla, nutmeg, salt, pepper and other spices. 【Portable Coffee Grinder】 No batteries or electricity are required to operate this portable grinder, allowing you to enjoy fresh coffee ground anywhere. 【Manual design】 Offers much more pleasure in preparing coffee and guarantees a more aromatic coffee because the beans do not heat up during the grinding process.