Highlights 4-piece grinder Diamond-shaped cutting teeth Sifting screen & pollen chamber w/ scrape tool Magnetic lid Available in Medium (2.2") & Large (2.5") sizes Multiple color options available The Blank Metal Grinder is crafted from lightweight aluminum material with a metallic exterior finish. The grinders have a 4-piece build with sharp, diamond-shaped cutting teeth. The ground herb is deposited in the center storage chamber, which allows for instant easy access to your customer's herb material. In the base of the grinder, kief and terp crystals that fall through the sifting screen collect in the pollen chamber for future use. These durable metal grinders will provide your customers with fluffy ground herb, perfect for packing bowls, water pipes, and joints! Available in Medium (2.2") and Large (2.5") sizes. Multiple color options available.