Abstract: A mounting tube is arranged to be received in a snug interfitting relationship a support post and is, accordingly, readily detachable from the support post. The mounting tube includes a cup member having a top wall rotatably mounting an L-shaped rod through a bushing, such that the L-shaped rod projects radially beyond the mounting tube to support a windsock member. The L-shaped rod is maintained within the cup member by spaced abutment washers mounted to a first leg of the L-shaped rod, with the second leg of the L-shaped rod projecting beyond the cup member to support the windsock.