The Ronix RH-9901 chalk line reel features a high-impact ABS housing and a stainless-steel hook. This Ronix chalk line is simple to fill and secure from the top. The large twist-lock lid for quick chalk filling allows access to the internal parts of the reel more easily than with other equipment. An open-access back panel makes line replacement and cleaning quick and easy. This Ronix kit includes a spool of chalk, a bottle of 113gr Ronix blue chalk, and a piece of plastic line level, completing a professional toolset for any purpose.