Retrieves chalk line 3-1/2 times faster than a standard chalk reel. Patented hook storage and door locking mechanism virtually eliminate spills and line tangles. Crank handle clutch release allows release of the line without spinning the crank handle. Lightweight ABS impact-resistant case increases durability. Twisted cotton line holds more chalk for multiple line strikes. Material(s): Thermoplastic; Color(s): Blue/Yellow.