The IRWIN® STRAIT-LINE® PRECISION chalk reel is ideal for detail finish work. Designed with a smooth 3.5:1 gear system, this advanced chalk reel retrieves line up to 3.5 times faster than traditional models. Its metal plates and handle, plus premium thin line, provide extra strength for unrivaled durability. The tool-less EZ access door allows for easy entry into the back of the chalk reel to change or clean the line.