Cali Crusher Cali O.G. Grinder 4-Piece GrinderCali Crusher Cali O. G. Grinder 4 Piece Grinder Experience the iconic O. G. Cali Crusher with the Cali O. G. Grinder 4 Piece. Crafted from aerospace aluminum, this CNC machined grinder is a solid, reliable piece designed to elevate your grinding experience. Key Features: Single solid piece construction for durability Diamond cut teeth for a fluffy, consistent grind Keeps fingers clean and bowls evenly packed Blade plate that never loosens or spins in