this is curbstone making machine,it can produce all kinds and different design curbstone, SY3000 curbstone machineIt is mainly used for producing all kinds of crash ... yield: biggest7) Length: 1,000mm8) Road stone: 500pcsFeatures: 1) Has double step with direction post, pushing drawing die, elevator equipment, Well ... has correct sizes, clear point and high anti-pressure SY3000 curbstone making machine