Universal, flat-free wheel fits most wheelbarrows and other lawn and garden equipment. Includes two 1" wheel spacers and four 1/2" wheel spacers to accommodate various hub sizes and two 3/4" ball bearings. Knobby tread. Replaces 4.80/4.00-8, 4.00-6, 4.00-8 and 3.50/2.50-8 tires.