Create precise fine lines for finishing work and cabinet installation with the DeWalt Bi-Material Chalk Reel (Blue). Help stay efficient on tough jobs with a 4:1 planetary gear system that rewinds 4X faster. Get clear and crisp results using the 1mm precision braided string and line lock feature. A rubber overmolded housing provides durability on challenging jobsites. This Chalk Reel is ready to get to work with an included 4 oz. bottle of blue chalk.