AA4C movable portable free roller for vehicle test line inspection equipments  for car  4T capacity

Do not need to dig the foundation,put it directly on the ground.

Do not fix the installation position Can be placed at will.

Auxiliary devce for 4WD vehicles,which can be adjusted according to the different 4WD vehiclesthe advantage is all type of 4WD carscan be tested

The disadvantage is that it need to be manually placed.

No power needed.