*Heavy Duty Dual-Truck. *Easy Conversion From A Two Wheeled Truck To A Platform Truck. *Stair Glides Ease Load Up Or Down Stairs Or Over Curbs. *8 Gauge High Strength Steel Base Plate With Machine Beveled Edge To Slide Under The Load Easier And Rounded Corners For Safety. *Heavy Gauge Steel Fenders Prevent Load From Rubbing On Wheels.