The MSA 120 C-BQ is a lightweight battery chain saw for grounds maintenance and smaller jobs. This unit comes equipped with a STIHL ROLLOMATIC® E ‘Mini’ 12" guide bar and STIHL’s tool-less Quick Chain Adjuster. This unit also comes with STIHL’s Quickstop® ‘Super’ chain brake for improved safety. Includes the AK 20 battery and AL 101 charger.