Powerful QT5-20 Automatic Hydraulic Block Molding Machine!Built for speed, quality, and reliability since day one: 4 pcs of 9-inch blocks 6 pcs of 6-inch blocks Can mould all kinds of interlocking stones Comes with a JDC350 mixer and 1 set of trolley for smooth, steady production Impressive output: Up to 7,200 blocks in just 8 hours!