30m Chalkline Rossel

s a tool commonly used in construction and carpentry to create a straight line over a long distance. It consists of a reel containing a length of string coated with chalk dust. The string is pulled out and stretched across the surface to be marked, then snapped or “popped” against the surface, leaving a straight line of chalk dust. This line serves as a guide for various tasks such as cutting, aligning, or laying out materials.