Natural wood: this manual grinder is composed of natural acacia wood, stainless steel and ceramic grinding core. It does not contain heavy metals and plastic materials and can be used safely.Suitable for a variety of ingredients: our mill can grind parsley, chilli, sea salt, cumin seeds, rosemary, thyme, sesame, etc; This set of refillable grinders is the most ideal and fashionable choice in your kitchen.Easy to adjust and use: This spice grinder can adjust the roughness of the product through simple operation. You only need to rotate the stainless steel nut on the top to adjust from rough to fine. (counterclockwise indicates rough, clockwise indicates fine).Suitable as a gift: thanks to its log material and simple geometric bottle body design, this wooden salt and pepper grinder is very elegant and eye-catching. It is a great gift for kitchen lovers.