The Jobsite 4343 Petrol/Gasoline Pile Driver is a powerful 37.7 cc 4-stroke engine that delivers an impact energy of 20-55 J, making it suitable for driving posts up to 120mm in diameter. This petrol-powered pile driver is designed for use in various outdoor projects, such as fencing, privacy screens, and gates, providing efficient and reliable performance on the job site. With its durable construction and efficient operation, the Jobsite 4343 is a reliable tool for any gardening or construction project requiring the driving of posts.