it can use in the wheel barrow and some small machine. Product DescriptionPR1800-4 10"X350-4 tyre and tube Metal rim Ball bearing Package: 10pcs/bag We can supply you the: 250-4, 300-4, 300-5, 350-4, 350-5, 350-7, 350-8, 350-10, 400-4, 400-6, 400-8, 410/400-8, 325/300-8, 500-6, 600-6, etc. Tyre and tube for the wheelbarrow and the tool cart etc.