Earthquake 9060300 Chipper Shredder with 205cc 4-Cyclebr br Featurebr * Chips materials up to 3 Inch in diameter br * Heavy-duty chipping knives and hammers br * Converts brush piles into usable mulch br * Includes a two-bushel bagbr With our patented dual triangular hammer design, Earthquake chipper-shredders offer maximum power at the point of impact. Triangulating the force actually increases shredding and chipping power, making our chipper-shredder quick and efficient. With a metal cone and high-powered Briggs and Stratton Engine, you'll have the durability and shredding strength to turn yard waste into the perfect mulch.