The MSE 170 C-B delivers dependable cutting power for the home – even indoors. With a powerhead weight of just under 8.5 pounds, the MSE 170 C-B is light enough for agile cutting work and features a wide trigger switch and the toolless Quick Chain Adjuster for easy operation. There's even a coast-down feature which quickly stops the rotating chain when the trigger is released. No gas and thus no mixing oil with gas. No seasonal engine maintenance. Just plug it in and put it to work.