Details: The Lawn-Boy 21 in. Self-Propelled Variable Speed All-Wheel Drive Gas Lawn Mower is functional, budget friendly and easy to use. It includes an all wheel drive system that helps you maintain excellent traction and maneuverability. The mower is lightweight and durable with a tri-cut system, providing you with excellent mulching capabilities. The mower includes a large bag that easily catches all of your grass clippings.