Pump-action suction cups.
Specification:

Model:DV-1F.
Suction force:120kg.
Cup diameter:204mm.

Operation direction:

First make sure keep surface of object and rubber pad clean ,then press the black button couple of times,when the red warning line is inside,you can lift or move object.

Attention:

When the red warning line is visible,not suitable to move or lift.

If weight of object is heavier or bigger,using 2-cup or other kinds of sucker.