This latest iteration of the SLX 2.4 inch grinder features interior and exterior non-stick ceramic coating that was developed from industrial blades materials and cutting supplies to reduce friction and chances of the the blades sticking together. This feature reduces the frequency of cleaning to keep this grinder operating at peak performance. From the lip of the grinder down to the pollen catcher is layered with this ceramic non-stick coating which insures a consistent quality grind with ease each time. This ceramic coating is FDA approved and is non toxic and does not burn off under heat. This grinder is about 62mm in size. The grinders unique screen design prevents threads and allows for consistent pollen collection. If the screen is not installed the grinder can hold approximately 3 grams on the base layer. This ceramic coating is extremely durable and is insured by the manufacturer. If any layer ever starts to fail it will be replaced at no cost to the consumer from SLX. SLX stands behind their products and provides their website on the bottom of every grinder to enhance the ease of the customer support process. This grinder weighs a little less then seven ounces. This grinder is finished in a purple coating.