Rancilio Rocky Coffee Grinder Stainless Steel No Doser. Open box, but new/never used. Please note: you may find coffee grinds in your machine as Rancilio tests each unit before sending out (you may call Rancilio directly to confirm this information). 50mm commercial grade grinding burrs. Grinds directly into porta filter for simple operation. Powerful 166-watt direct drive quiet operation motor. All units are tested prior packaging which might leave a small trace of coffee residue. Please refer the video under product images for overview. Tinted hopper with a 0.65lb capacity. Please check the FAQ section under the Product Details. Simple variable grinder adjustment control. For Trouble Shooting Steps refer on the page 32 in the user manual. ATTENTION: Each unit is factory tested with real coffee beans and some coffee powder may still be present upon unboxing.