... of rim: Steel or plastic.(7) Use: It can be used for wheelbarrow, hand trolley, sack truck, lawnmower and welding machine ... following size : 200x50, 2.50-4, 2.50-8, 3.00-4, 3.50-4, 4.10/3.50-4, 3 ... .00-8, 3.25/3.00-8, 3.50-6, 3.50-7, 3 ... .50-8, 4.00-4, 4.00-6, 4.00-8, 4 ... .80/4.00-8, 5.00-6, 6.50-8 rubber ...