Work-Height Platform Transport Triucks with unique, adjustable design, places platform deck at comfortable, ergonomic work height. Adjustable platform deck reduces the strain of lifting & bending (4473 & 4474 trucks adjusts from 29" to 35" in height (3" increments)). Ergonomically designed push handle improves control & worker safety. Duramold™ precision engineered resin and metal composite structure for unsurpassed durability and service life. Molded-in tie-down slots for load security. Textured deck surface reduces load slippage. Perimeter deck channel retains small items. Retainer clips prevent unintended handle removal. Powder coated steel handle / frame for optimum service life. Includes 2 fixed, 2 swivel casters for optimal control & maneuverability.