100' poly chalk line box

Ideal, Low cost chalk box. This lightweight, corrosion-free chalk line has a rugged poly/pro case that fits the hand with ease. Comes with 100' of spun cotton/poly line with a metal catch hook for one person layout work. The line is self-chalking every time you rewind. To fill the chalk line reel, simply insert the pointed spout of the chalk container into the slit in the rubber grommet and squeeze until the chalk line reel is full and remove spout. The grommet self-seals perfectly.