Reinforced and thickened steel pipe, strong and durable, super load-bearing Plastic-sprayed iron handrail, long service life, not easy to rust, equipped with sponge cover, not easy to slip TPR material casters, quiet and wear-resistant, with anti-winding cover Thickened steel pipe, not easy to deform, one-piece molding, wear-resistant and durable Rolling hand truck: can transport your items and materials quietly and reliably, minimizing the harsh noise during use, and you can adjust the moving direction for easy transportation.