This Bosch brushless miter saw combines professional cutting capacity with outstanding portability to deliver a truly mobile, cordless solution to the jobsite. The GCM18V-08 8-1/2 in. is a single-bevel, sliding compound miter saw delivering a 3-5/8 In. nested crown cutting capacity, cutting from 47° left to 47° right against the fence, which is exceptional range for a cordless 8-1/2 In. miter saw. At a manageable 31.5 Lbs. (tool only, not including battery), this saw features easy portability while still providing a 10-5/8 In. crosscut capacity. n testing, the saw delivers 377 cuts per charge with a CORE18V PROFACTOR Performance Battery. The kit includes a CORE18V 8.0 Ah PROFACTOR Performance Battery, which delivers 100% more runtime and over 75% more power than the CORE18V 4.0 Ah battery for high-demand applications. With an accurate laser guide system to precisely align the cut line to the blade, the saw is engineered with precisely centered sliding bars, leading to a very smooth and easy saw sliding. It provides a dust chute and dust bag, providing efficient dust collection.