Armstrong 17-488 Spline Drive Impact Socket, 2-3/4 inch, is a heavy-duty socket designed for use with impact tools to tighten or loosen large fasteners. It uses a spline drive pattern to improve engagement and reduce rounding under high torque, making it well suited for automotive and industrial maintenance tasks. This Armstrong model 17-488 is built for durability in demanding applications requiring a 2-3/4 inch impact socket.
