Batch add weight (Loading jack Field). The size is not smaller than a hand rocking 500Kn 2 strokes with lever as the hilt consists in 2. Installed on a trolley with wheels can be moved.
Retrofit Weight (Field Loading jack) 500Kn a size not less than two strokes the hand lever has a lever handles, including two on the same machine. Mounted on a movable cart with wheels.
The series adds weight (Field Loading jack) size is less than 500Kn is a hand rocking rhythm, there is 2 lever handle 2. Included in the same machine Installed on the trolley can move with the wheel.