The PowerSmart Gas Lawn Mower 21-inch with a 144cc OHV engine is a versatile and efficient tool for maintaining your lawn. This walk-behind mower features a 3-in-1 rear bag, mulch, and side discharge capabilities, making it easy to handle different cutting styles. With adjustable height settings and a grass catcher, you can customize your mowing experience for optimal results. This self-propelled mower is designed with durability in mind, using a combination of plastic and steel materials. Its 4-stroke engine and 21-inch cutting width ensure a thorough and precise cut every time.