Smooth rolling on 6" x 2" poly-on-poly rear wheels with 2" semi-steel front wheels, suffix (-FW). 8" x 2" poly-on-poly rear wheels, four swivel casters, and a hand operated floor lock are standard on units with suffix (-4SFL). Located on the handle are two rollers to ease loading into delivery trucks. Horizontal load center is 10". Low Profile units have a deck height of 1/4" with 2" high side lips. FOB Shipping Point. Due to tariffs and market conditions, pricing subject to change.