The chalk line makes it easy to accurately mark straight lines on various materials. It is suitable for use in construction, painting and the installation of drywall structures. The plastic reel allows the line to be conveniently pulled out and rewound.
To use it, simply fill the reel with marking powder, shake it, and pull the line out and rewind it several times so that it becomes evenly coated. Then stretch the line between two people at the marking location and gently snap it—the powder will create a thin, clearly visible line on the surface.