Bullet Metal Herbal Herb Tobacco Grinder Smoke Crusher Hand Muller Feature: Powerful Neodymium Magnets for a tight seal and easy grind The stainless steel micro mesh screen only allows pollen to pass through Double sided magnetic grinding compartment includes a mesh screen that automatically collects pollen as you grind Washable for easy cleaning Mini design， lightweight， easy to carry Specification: Material: stainless steel Size (approx) : 4.5 x 4 cm Package included: 1 x Tobacco grinder Detailed Pictures: