The Bosch GCM12SD is a 12 -inch Dual-Bevel Glide miter saw that features a smooth cutting motion, accurate performance and a space-saving design of the Bosch-exclusive Axial-Glide system, Pre-aligned SquareLockfences help the saw maintain precision throughout its life, A soft-grip ambidextrous handle along with a combination dust chute and vacuum adaptor add to user comfort, The saw also offers a large cutting capacity, easy-to-read bevel and miter scales with detents at common angles, and easy-access upfront controls, Integrated expanding base extensions: 60% more left-to-right material support than leading competitor - 40 -inch left to right, Large easy-to-read uniform bevel and stainless steel miter scales: 52° left/60° right miter capacity; 47° left/47° right bevel capacity with marked detents and roof pitch angles, Adjustable miter detents: detents at 0°, 15°, 31.6°, 22.5°, 45°, 60° right super-accurate and durable design, Push-button miter Detent override - easy-to-access thumb actuated control right up front for fine miter angle adjustment, Bevel detents: 0, 33.9°, 45° left/right for accurate cuts, Category best 90% dust collection - optimized for cutting 2x material with a vacuum, Ergonomic ambidextrous trigger handle with soft grip - large form fitting ergonomic handle provides comfort for all-day use