Concrete roller screed machine is also named as concrete spin screed. It is a machine that specially used in concrete leveling projects. Hiking spin screeds are various in sizes, some of them are powered by electronic motor, some by hydraulic motor or gasoline engine. Pulling is usually along reverse of roller rotation direction. Rotation of roller make concrete floor gradually finished smoothly. It is the ideal choice in slant concrete leveling project ( such as lane, sidewalk and kinds of slant concrete leveling project).