Piranha Jute Carrying Case Quality Anodized Aluminum Razor Sharp Teeth Powerful Magnetic Lid Mesh Screen Built in Storage Chamber The 4-piece grinder always serves peak functionality. Featuring a strong magnetic lid, razor sharp teeth, a sifting and storage compartment, a screen at the bottom where kief is caught and stored, plus a pollen pick to collect and top off a bowl (or save for a rainy day). Built to last, these grinders are made from anodized medical-grade materials with strong magnets to ensure the grinder stays together on the go or even if dropped. The craftsmanship of these grinders stay true to the Piranha name with their razor-sharp teeth that shred herbs with a simple twist of the wrist. Just choose your size and colour and get on with your grind.