Commercial carts commonly use 360° swivel casters for easy maneuvering, often with wheels around 5 inches in diameter. Many models offer lockable casters or individual wheel brakes and swivel-lock mechanisms; some specify two locking casters to hold the cart firmly in place when parked.
Space-saving designs include foldable or collapsible frames that fold flat for storage, and convertible models that switch between a hand truck and a 4-wheel cart to handle different hauling tasks.
Many commercial carts include lockable swivel casters, individual brake locks, or swivel-lock mechanisms. Some models specify two locking casters to hold the unit firmly in place while in use.
