Master template to fabricate pipe support of concrete, sand, etc. is fastened to a handle and equipped with height regulator, sight for Laser, and target unit

摘要

The template corresponds to the outer diameter of the pipe to be fitted and is connected to a handle. It has a height regulator, a sighting device for a Laser, and target unit. Concrete, sand, gravel is poured into the ditch, leveled by hand using a shovel, and the template is used to smooth the surface.