The Stihl MS 251 C-BE chain saw features all the comfort and ease of the MS 251, but is easy-to-start and adjust on the fly, the MS 251 C-BE is ideal for felling small trees, pruning and thinning and cutting firewood simply and efficiently and with up to 20% fuel savings and 50% reduced emissions (as compared to previous models), you can enjoy a longer run time while feeling good about your impact on the environment, a quick chain adjuster also makes it simple to put the correct tension on the saw chain without tools, plus, features like Easy2Start technology, a master control Lever and reduced vibration make the Stihl MS 251 C-BE a lean, easy-to-use machine that still packs plenty of power.