The magnetic lidof grinder features a thick rim with a halo of grooves. You’ll be highly love the tenacity and ferocity this grinder offeres when it grinds. This 4-piece machine has a magnetic lid with sharp razor, Baboon-like teeth that break into pieces even the stickiest, densest nugs down to a light, fluffy grind. The grooves along the magnetic lid makes  breeze to turn. A mesh sifter screen suspends the herb above the pollen catcher that includes a scraper.