EFFICIENT GRINDER & FILTER: There are improvement sharp curved teeth with your herb spice grinder, make grinder smoothly and efficiently.WIDE USAGE: With the improvement of the sharp curved teeth, the grinder can cut and flutter most herbs and smoothly rotates. Its better that the herbs are dry.SHARP CUTTING TEETH: Extreme efficiency and effortless grinding; Stainless steel mesh screen filters very fine pollen into the big catcher; Pollen scraper included.SAFETY MAGNETIC LOCK: The metal grinder catcher is equipped with a magnetic top, this spice grinder provides protection from external elements that can possibly damage powder's quality.GOOD IN REDUCE WASTE: The bottom compartment can gather the herb powder while they filters through a mesh screen.