SMART CRUSHER Premium Quality 4 PCS Herb Grinder Brand new 2.25 inch wide grinder brand in the market. The Aero Space ALUMINUM used in the grinder is much stronger and far superior compared to Space Case grinders. More Diamond Teeth for grinding than any other grinders. Micron Count Tested Stainless Steel Pollen Screen, Allowing Only The Absolute Finest Particles To Filter Through. Nylon Gasket around the edges for smooth grinding. Perfectly cut and distanced holes in grinder compartment to guarantee NOTHING will ever CLOG. Two super strong neodymium Powerful magnet hold grinder cap. Specially designed on latest CNC technology , providing more superior grinders with no flaws! SHARP Crusher feels different from other grinders by touching and feeling due to its texture. The special coating minimized scratch and wear & tear on the grinder over-time. It will keep the grinder new and shinny for a very long period of time. ******************* !