VicTake 4 Pieces Herb Grinder with Pollen Scraper, Zinc Alloy Material Made, Razor-sharp, 2-inch-Black Type: Herb & Spice Mills Material: Zinc Alloy Material Color: Black Color Mapping: Black Dishwasher Safe: Yes Microwave Safe: Yes Labor: 45 days money-back and 12-month, worry-free Guarantee! Features: 1. Ultra Strong Lid Magnet:The magnets on the grinding chamber are strong. Unlike other herb grinders the lid falls off easily while operating. This herb grinder with strong magnets holds the lid firmly in place. It is easy to twist the lid and it won’t make annoying metallic sound. 2. Razor-sharp Metal Teeth: The razor-sharp metal teeth ensure you a smooth twist & an efficient grinding action. Unlike some grinders, the teeth would easily be distorted or broken after using for some time. Those high quality metal teeth are durable and they provide you with small and fluffy herbs. 3. Zinc Alloy Materi...