Built for high portability, the ATOMIC COMPACT SERIES Chalk Reel features a convenient and compact design that makes it easy to store in a tool bag or tool box. Engineered to withstand the toughest applications, its sealed gear system helps protect the gears from contamination and debris on the worksite. Smoothly and quickly retract the line when the chalk is marked thanks to a 3:1 gear ratio, which is designed specifically to help professionals mark jobsites with speed and efficiency.