supply many kinds of solid wheels for hand truck, hand trolley, platform hand truck, wheel barrow, and other tool carts. We are a Chinese manufacturer ... .5",7"x1.75",7.4"x1.3", 7.5"x3.5", 7.5"x1.9",7"x2.5",7.5 ... ",8"x1.4",8"x1.85", 8"x2.5", 10"x3.5",10"x2.5",9"x1.75",12"x1.75 ... ",16"x1.75",15"x3",14"x3.5". If you are interested in our products, pls ...