The Yocan Whirly 4 Parts Grinder is perfect for those who value precision and consistency in their herbal preparations. The grinder consists of 4 independent layers including precision cutting layer, fine sieve layer, pollen scraper layer and magnetic closure layer. Featuring a durable grinding chamber with sharp, diamond-shaped teeth, this Yocan Whirly effortlessly shreds herbs to the ideal consistency. This premium grinder is designed for long-lasting performance which delivers smooth and efficient grinding every time. – 4 Separate Layers: Precision Cutting Layer, Fine Sieve Layer, Pollen Scraper Layer, Magnetic Closure Layer – Dimension: 55.2 x 55.2 x 63.8 mm