Evolution R300DCT 300mm Disc Cutter Kit 110V Version. The Evolution R300DCT 300mm Disc Cutter has a high torque electric motor that delivers consistent peak power and stops the machine from slowing down, even under heavy load. It starts first time, every time, and does not emit any harmful fumes, making this suitable for use in enclosed spaces. Plus, you don't need to worry about expensive fuel or servicing allowing you to focus on the job. Evolution Power Protect technology protects internal parts from dust and water ingress, making it fit for use in the most demanding environments. Ideal for cutting concrete, reinforced concrete, stone, brick, paving and more. The built-in dust suppression features dual-sided water delivery, armoured hose routing and robust brass hose connectio.