Brand Name: Arnold *Wheel Type: Plastic *Product Type: Replacement Wheel *Wheel Diameter: 12 in. *Wheel Width: 1.75 in.*Weight Capacity: 50 lb. *Size: 12 x 1 3/4 in. *Tread Type: Bar *Number in Package: 1 *Packaging Type: Bulk *1/2" Hub Length * 1/2"                  N ylon Bearing * Offset
                 Ad apters Included *Discovery NBR, SUP