... .50-4 Flat free wheel Model:PF0820 with metal rim Flat free tyre with plastic rim,metal rim is ok too Flat free ... tire Size: 2.50-4Model:PF0820 Flat free Wheelflat free tyre with plastic ... 50-4. 3. 00-4, 4. 10/3. 50-4, 3. 50-5, 3. 00-8, 4. 00-64. 80/4. 00-8, 4. 00-10, 4. 00 ... are for Wheelbarrows, Hand Trucks, Lawn Mowers and Garden Tractors. Flat free tire 2.50 ...