AFX Racing 21036 Slot Car 120 Ohm Controller More Reliable Than Ever Before AFX ditched the “hair trigger” sensitivity of the old controllers. Redesigned vents enhance airflow, keeping the controller cooler. A recessed handle seam and redesigned shape increases comfort in hands of all sizes. Extended cord length to 6 feet provides optimum freedom while you race. An integral part of the Mega G+ Race System, the AFX120 Controller is smoother and more progressive making racing wheel-to-wheel even easier.