For over 10 years, the Micro Crusher herb grinder has consistently been the most affordable premium grinder on the market. Our grinders have earned its widespread recognition through their superior design and reliable construction. The Micro Crusher is the only grinder in its class that offers its customers both materials in heavy duty zinc and precisely surfaced CNC aluminum. Unlike other over-priced, sub-standard grinders on the market, the Micro Crusher manufacturing process ensures that our grinders are made from stronger and more durable materials than their competition. We promise that the Micro Crusher is the most economical, long lasting herb grinder you will ever own. We are committed to that promise by confidently backing up every Micro Crusher herb grinder with a lifetime warranty. Keep your grinder close! Like our customers, we make hardcore grinding action our passion here at Micro Crusher.