*PLUMBERSSTOCK EXPERT* responded:
Hi! We appreciate your interest in our Milwaukee 48-62-2046 Ground Rod Driver. Yes, it will. According to Milwaukee, it is designed to work with the Milwaukee 5316-21 spline rotary hammer. You can order this product by clicking "Add to Cart", putting your postal code and, you're ready to go. If we can be of any further help, you may call our customer support team at 435-868-4020 between 8:00 AM and 7:00 PM MT or e-mail them @ email@example.com. Have a wonderful day!