Check the listing for details. Performance Tool M550DB Air Hammer With 4 Chisels New Open Box. Color: Black, Condition: Open box, Made in China. Listed at 25.98 USD. Introducing the Performance Tool M550DB Air Hammer with 4 Chisels - the perfect addition to your toolkit. This powerful air hammer is designed to provide fast and efficient results, making it ideal for a range of tasks. With its wind-powered power source, this air hammer delivers unparalleled performance that is sure to impress. Included in the package are 4 chisels that are perfect for any job, making it a versatile tool to have around the house. Its sleek black metal construction not only looks great but also ensures durability, ensuring that it will last for years to come. Get your hands on the Performance Tool M550DB Air Hammer today and experience the power and precision of this incredible tool.