Features and Benefits: OTC s brake drum dolly is the back saving piece of equipment that every shop needs to prevent employee injury when doing brake work on heavy trucks and trailers Remove install and transport truck brake drums - safely and easily - without having to physically lift them Works on the 15 inch and 16-1/2 inch brake drums found on most Class 7 and 8 tractor and trailer brake systems Dolly features heavy-gauge steel construction ten-inch pneumatic tires and an adjustable handle Backed by OTC s Lifetime Marathon Warranty OTC s brake drum dolly is the back saving piece of equipment that every shop needs to prevent employee injury when doing brake work on heavy trucks and trailers. Remove install and transport truck brake drums - safely and easily - without having to physically lift them. Works on the 15 inch and 16-1/2 inch brake drums found on most Class 7 and 8 tractor and trailer brake systems. Dolly features heavy-gauge steel construction ten-inch pneumatic tires and an adjustable handle. Backed by OTC s Lifetime Marathon Warranty.