The CP7111 air hammer by Chicago Pneumatic is a high-quality, single item unit designed for automotive use. It has a standard .401" shank, with quick-change retainer. Made in Taiwan, this product comes with a 1-year warranty, ensuring durability and reliability. Tool has a 3/4" bore and 2.63" stroke, 3,000 blows per minute. Used for a variety of cutting, punching, or light demolition work. This air hammer is a valuable addition to any automotive tool collection.