The Pulsar Concave Grinder is 2.5 inches in diameter with a unique concave lid design. The concave lid is perfect for holding herb while loading bowls and pipes, and the shape of the grinding chamber funnels herb towards the center for a smooth, easy grind. These quality grinders also have diamond shaped teeth for shredding herb, a pollen chamber with sifting screen, magnetic lid, and scrape tool.
