The Husqvarna 593247802 Curved String Trimmer Tube & Driveshaft Assembly transfers engine power to the cutting head for smooth trimming performance. Designed as a replacement curved shaft assembly, it fits compatible string trimmers to support balanced handling and efficient operation. It works by housing the rotating driveshaft inside the curved tube to deliver motion from the engine to the trimmer head. This supports reliable power transfer, smoother trimming control, reduced vibration, and dependable operation.