Atlas Right-Hand Assist Arm for 200 Series Swing-Arm Tire ChangersAtlas Right Hand Assist Arm for 200 Series Swing Arm Tire Changers SKU ATEATTC RHA SA The Atlas RHA Right Hand Assist Arm is the perfect complement to the Atlas LHA Left Hand Assist Arm when you need to change extremely stiff sidewall and run flat tires. As the old saying goes "two hands (heads?) are better than one". The addition of the Atlas RHA Right Hand Assist Arm (in conjunction with the Atlas LHA Left Hand Assist Arm) provides unparalleled