\begin{tikzpicture}[scale=2]
\tkzDefPoint(-1.25,0){A} \tkzDefPoint(1.25,0){B} \tkzDefPoint(0,-1.25){C} \tkzDefPoint(0,1.25){D}
\tkzDefPoint(0,0){O} \tkzDefPoint(-0.5,0){E1} \tkzDefPoint(0.5,0){E2} \tkzDefPoint(-1,0){F1} \tkzDefPoint(1,0){F2}
\tkzDrawArc(E1,O)(E2) \tkzDrawArc(F1,O)(F2)
\tkzDrawSegment[-stealth](A,B) \tkzDrawSegment[-stealth](C,D)
\end{tikzpicture}