From the Manufacturer
Add versatility to your chipping or demolition hammers with a wide variety of specialty bits. DeWalt demolition steel is made from hardened steel to reduce breakage and provide long life. For use with hammers that accept 1-1/8-inch hex shank steel.
1" Ground Rod Driver with 1-1/8" Hex Shank The DeWalt 1" ground rod driver with 1-1/8" hex shank is an extremely durable and useful attachment. Use this to increase your efficiency and decrease your work time. Superior build quality means you will be using this bit for years with minimal wear and tear. A must have for any professional or do-it-yourselfer. Features: Hardened steel body for increased durability DEWALT is firmly committed to being the best in the business, and this commitment to being number one extends to everything they do, from product design and engineering to manufacturing and service.