This beautifully crafted grinder was designed with the user in mind. Equipped with non-breakable razor sharp shredding teeth, the 2pc Space Case Grinder Medium 57mm will shred through the stickiest of dry herbs. The grinder is CNC machined inside and out then anodized for a smooth, impeccable finish. Etched along the side, the 2pc Space Case Grinder Medium 57mm grips easily for better handling. A magnet ensures the grinder remains closed whether in use or not, protecting your herbs and making sure they are compact. If you are a serious vaper, the 2pc Space Case Grinder Medium 57mm is a must have.