Grinders are a quick way to grind up your dry herbs and flowers. They work great with medical marijuana, and recreational cannabis. Grinding can make quick work of packing your glass pipe, or bong. Whether you are using your grinder medically, or recreationally, It can help you get your vaporizer, or vape pen loaded and ready. Some grinders include a dry sift kief screen for collecting pollen and trichomes. These grinders typically come in 4 pieces and are made of aluminum. Once collected this powdered keif can be pressed, or just placed on top of an already packed bowl. No matter the style of grinder you need Mile high Glass Pipes can help you find the perfect fit for your needs.