PRECISION MILLED - Our grinders are made from anodized aerospace grade aluminum on CNC machines for perfect fit and finish and long life. Ultra smooth grinding, 4 pieces, 2.2" diameter and 2.0" seat grinder. With its premium sharp teeth, it instantly chops tons of herbs to create the perfect, smooth grind. 25 sharp diamond cutting teeth - 49 specially designed teeth for optimal grinding force - 32 precision-placed grinding holes for optimum grinding, maximum efficiency and easy grinding. Effortlessly destroys your herbs and spices, capturing the very fine pollen through a mesh filter. This durable grinder has a strong magnetic lid that prevents spills and keeps the herbs in the grinder fresh and smelly. Grind easily The grinder’s gentle rotation grinds your herbs or tobacco to a finer consistency. Collects in the central chamber, while fine pollen is filtered through a mesh screen and accumulates in the lower chamber. A pollen scraper is included to collect all materials and reduce