Long wearing, low-cost, lightweight and non-marking wheels with good chemical resistance, impervious to water for most general medium heavy-duty industrial applications such as platform trucks, wire shelving, and other warehouse trucks and carts for comme Use in acid, oil, or water, and on carpet or concrete Top plate made with 1/4 cold forged steel Wheel bearings are straight roller 3/4 with spanner bushing 1-1/2 square plate Size In=5 x 2 Load Cap Lb=650