4-In-1 quick change convertible hand truck converts to 4 positions and has a maximum carrying weight of 900 lb., making this the only hand truck you will need. The quick change mechanism converts from one position to another in seconds with no pins to remove or keep track of. In the upright position, simply squeeze the latch pins and raise the handle for tall loads. To move the truck into the cart configuration, simply squeeze the latch pins and lower the frame into the four wheel incline or four wheel platform cart position.