Durable Convertible Hand Truck: Constructed with reinforced welded steel and a powder-coated finish for corrosion resistance. Supports up to 300 lbs in two-wheel mode and 400 lbs as a four-wheel dolly. Quick Conversion: Tool-free switch between two-wheel dolly and low-profile flat cart using a dual-tube handle system for versatile handling. All-Terrain Mobility: Features 8" puncture-proof tires and 3" industrial swivel casters for stable movement on uneven surfaces and improved load distribution. Compact & Easy Storage: Collapsible design folds to a slim 40" profile. Tool-free wheel installation enables quick assembly and space-saving storage. Versatile Use: Suitable for warehouse, retail, household, and DIY tasks. Balanced frame secures loads for reliable handling across environments.