\begin{tikzpicture}[baseline, xscale=.5,rotate=180]
    \draw (2,-.5) -- (2,.5);
    \draw (3,.5) -- (4,-.5) -- (4,-1.5);
    \node at (3.5,0) (center) {};
    \draw (3,-.5) -- (center.-120);
    \draw (center.60) -- (4,.5)--(4,1.5);

   \draw (2,-.5) arc (-180:0:.5cm);
   \draw (2,.5) arc (180:0:.5cm);
\end{tikzpicture}