The TAPCO Chalk Line™ chalk box provides a straight, accurate application of chalk to be used as a guide-line for striping. Includes a 200' snap line and reel crank. Chalk Line™ is ideal for all outdoor applications where lines are used especially for layouts of athletic tracks, parking lots, tennis courts, playground games, airport runways, streets and highways, industrial aisle marking, etc. In addition to its remarkable versatility, the Chalk Line™ box is extremely durable. The box is constructed of steel and has an extra large chalk capacity. Included with the Chalk Line™ kit is 5 lbs. of chalk so that it may be put into use immediately.