This is a ProForm Crosswalk 380. It is a home treadmill with ski Poles to hold onto to work your upper body while you walk or run on the treadmill. The with of the tread is 16 and a 1/2 inches. It folds up for easy storage and folds down easily to work out. There is an oil stain on the tread that is from a gas weedwacker that was placed on top of it in storage. It is not from the treadmill. The Crosswalk is in excellent condition and was only used a few times. I an show you that it is in perfect working condition when you come see it. Great price on a great treadmill. See pictures for best description.