kit typically includes a chalk line reel, which consists of a sturdy plastic or metal housing with a handle and a reel mechanism inside. This reel holds the chalk-coated string or line.
length of strong nylon or cotton string coated with chalk. When pulled out from the reel and stretched over a surface, the chalk adheres to the surface, leaving a visible line.
Additional chalk refills may be included in the kit or sold separately. These refills replenish the chalk coating on the string when it runs out.
Some chalk line kits come with a small bubble level that attaches to the string. This ensures that the lines marked are perfectly horizontal or vertical.
user manual or instructions may be provided to guide users on how to use the chalk line kit effectively and maintain its components.