... -4 Plastic or Metal rim Ideal for carts/Trolley/Wagon Manufacturer Hand Truck Tire and Tubes 4.10/3.50-4 • Rim: Metal ... : Rib,Lug,Diamond,Flag,Turf,Stud,Cross,Comb,etc •Bearing type: Ball bearing/ Roll bearing/ Bush bearing, As clients choice •Ply ... is specializing in the production of rubber wheel,wheelbarrow, hand trolley,platform hand truck, toolcart,, and relevant products . We have our own factory ...