【HEAVY-DUTY & LIGHTWEIGHT CONSTRUCTION】: Built with high-strength steel frame, this stair climber hand truck achieves an ideal balance between robust durability and manageable weight. It supports up to 440 lbs effortlessly, making it a reliable partner for handling heavy appliances, furniture, moving boxes, and industrial equipment without the bulk.【EFFORTLESS STAIR CLIMBING & 3-WHEEL DESIGN】: Conquer stairs, curbs, and rough terrain with unparalleled ease! The innovative 3-wheel stair climbing design distributes weight evenly and glides over obstacles, significantly reducing back strain and physical effort. No more struggling with heavy loads on stairs – this hand truck does the hard work for you.【FOLDABLE & SPACE-SAVING】: Designed for ultimate convenience, this hand truck features a retractable handle and foldable plate. It collapses down in seconds to a compact size for easy storage in car trunks, closets, or tight spaces. Perfect for delivery drivers and service professionals who are always on the go.【ERGONOMIC & SECURE HANDLING】: Your safety and comfort are our priority. The dual non-slip grips provide maximum control and prevent hands from slipping, even when sweating. The large front plate securely holds items in place, ensuring stable and safe transport on both flat ground and stairs.【TOOL-FREE & QUICK ASSEMBLY】: Get ready to work in minutes, not hours! We include clear instructions for a hassle-free setup. Simply attach the wheels, extend the handle, and step on the footplate – no tools required. Spend less time assembling and more time being productive.