Tsunami created an affordable grinder that still keeps quality in mind. The top is concave to allow a better connection between teeth, drawing your herb into the chamber more efficiently. It has a strong magnetic top to make sure the lid is closed and secure. Featuring 28 razor sharp diamond teeth and 4 parts for the smoothest grinding experience, and finest herb. Also, features a kief chamber and chief scraper. Measures small size, 63mm. Comes in multiple colors! Features: Concave top 4 parts Kief Scraper Mesh Sifting Screen Kief Chamber at bottom Diamond Cut Teeth Magnetic Top Measures 63mm