Rancilio Rocky Grinder Description: The features of the Rancilio Rocky includes:

• Grinder burrs: diameter 50 mm 
• Bean hopper: capacity of 300 grams 
• Doser version: approx. 6 grams dosage
• Doserless version: grind on demand
• Semi-automatic 
• Output of 2.5 - 3.5 kg per hour
• Dimensions: 128mm (W) x 359mm (H) x 256mm (D)