A 3:1 gear ratio allows for a smooth and quick retraction of line. 1mm line for tight, clean marks. 1/4 turn cap for secure fit. Handle folds flush to the body for convenience and storage. Integrated clutch for reduced line jams and smooth line release. Ergonomic shape for secure grip and feel. Over-mold grip for slip resistance and drop protection. Primary users: General contractors, roofers, framers, HVAC technicians. Kit includes reel and 4 oz. red chalk.