Full- Automatic Car Tire Changer with Double Arms for 17″ to 30″ Tyres is  equipped with standard configuration, max inside clamp to 30″, which increase the demounting size.Double-bending techniques, 5mm steel board-made column ensures handling tires in high intensity.The pedal has step function, which can install the tire accurately and time saving.The standard lifting system can save more time and effort when demounting the tire which is above 24 inch.