DUST SUPPRESSION - The R12DCT (previously known as R300DCT+) has dual-sided water delivery for effective dust suppression in accordance with OSHA regulations HUGE CUT DEPTH - 4-1/2” cut depth and adjustable blade guard for easy vertical & horizontal cutting POWERFUL ELECTRIC MOTOR - 15A Electric Motor. No pull chords, no fuel & no servicing WARRANTY - 3 Year Best-in-Class Warranty Included & Power Protect Technology BLADE INCLUDED - 12” premium diamond blade included, designed for cutting masonry, brick, roof tile, pavers, stone, concrete and steel reinforced concrete - Safety brake quickly stop the blade in 2-10 seconds