Premium zinc alloy material, precisely machined on computerized machines. - Four piece grinder with micron stainless steel mesh filters out pollen. - Optimum 50mm size, grind the herb you need in one go. - Super sharp, well designed, correctly placed teeth for the best grind, does not rip or shred. - Powerful Neodymium magnets keep the lid on and leftover herbs fresh and odor free. - Balanced weight, correct size and thickness of grinder and teeth. - Tough and reliable, lasts forever. - Smooth grind, less friction. Get The Ultimate Premium Herb and spice Grinder Made Just For You!? Grinding by hand your own herbs, and spices in this beautiful machine is the great way to enjoy the pleasures of cooking.