The Magnetic Lock 4 Piece Grinder in Assorted Colors is a durable and efficient herb grinder designed for grinding dry herbs with ease and precision. Crafted from sturdy materials such as aluminum or zinc alloy, this grinder typically features a magnetic lock mechanism that securely holds the various pieces together during use. It typically consists of four parts: a lid with sharp teeth, a grinding chamber, a storage compartment, and a kief catcher. With its magnetic lock feature and multiple compartments, this grinder offers smooth and consistent grinding while providing convenient storage for ground herbs and collecting potent pollen. It's a popular choice among herb enthusiasts seeking both functionality and style in their grinder.