Strong Load Capacity: This material lift winch stacker supports a maximum load of 330lbs/149.7kg to ensure the security and stability of large-scale item handling, stacking and warehouse management, and meet the needs of high-intensity work. Dual Mode Design: This manual winch stacker lifts heavy loads vertically and hand trucks horizontally in one, equipped with a manual winch with gears and long handles to enhance efficiency, suitable for unpowered environments. High-quality Steel Wire Rope: The manual lift stacker is made of 45# steel, with a breaking tension of more than 990 lbs/449 kg, galvanized and rust-resistant, adapting to harsh environments and providing additional security guarantees. Sturdy and Durable Structure: Our hand lift stacker are made of high-quality Q235 carbon steel material, solid and thickened design, firmly welded to ensure stability and durability in long-term high-intensity operations. Flexible Operation & Multi-Applications: Universal front wheels and rear wheels with brakes are designed to adapt to a variety of environments, with a lifting distance of 4.3 to 42.9 in/110-1090 mm, which is widely used in warehouses, factories, supermarkets and other scenarios.