The Echo C504001320 Lower Driveshaft Assembly deliver smooth and reliable power transfer from the engine to the cutting attachment of compatible equipment. This component works by housing and supporting the driveshaft, allowing rotational force to move efficiently through the lower section of the tool with minimal friction. Its secure, well-aligned design maintains operational stabili... https://www.wholetoolbox.com/echo-c504001320-lower-driveshaft-assembly