... front swivel castor wheels and 2 rear fixed wheelsRollersSeamless steel galvanized rollers, diameter is 76mm, 2 rows of rollersRotary platfrom Turntable roller ... good shape.Rotary table:Welded of heavy duty channel steel and thick steel, 360 rotation,it can be fixed at the ... position of 90 through the footboard.Roller:The roller is made of seamless steel pipes,connected by bearings at two ends,due ...