4.10/3.50-4 Hand truck rubber pneumatic wheel with metal rim & 5/8 ball bearing Hand truck rubber pneumatic wheel Model PR1030Tire size:4.10/3.50-4Other size pneumatic rubber wheel :6"x2",8"x2",2.50-4,2.50-6,3.00-4,3.00-5,3.00-8,3.50-4,3.50-5,3.50-6,3.50-8,4.00-4,4.00-5,4.00-6,4.00-7,4.00-8,5.00-6,6.00-6,6.50-8 Hand truck rubber pneumatic wheel