SMART CRUSHER GRINDER ...MAGNETIC 2.25' Wide hi-Quality pollen grinders beautifully designed and Newly Designed highly precise are made on CNC (computerized Numerical Control) machines, using strong aircraft grade aluminim so it is very durable. This CNC grinder has DIAMOND CUT RAZOR SHARP teeth to grind with great efficiency and ease and is standard fitted with strongest available magnet. CNC machined made GRINDERS have superfine screen This Product is built with four chambers grinding section(razor teeth), filter section and storage that works together. Machined pins and a magnetized pin in the top to keep your case from falling open. The pollen/herb/tobacco can be retrieved in the second section of the grinder. Many holes cut very close together .