High quality thickened rubber sucker, wear-resisting, durable, max load capacity: 165 lbs.
Fast attachment on smooth, nonporous flat surfaces.
Put it on the smooth object and press it repeatedly until the red line disappears.
Press the discharge valve, the red line pops out, and the suction be removed.
Suitable for glass, large tile, rock , marble, windshield, steel , aluminum hanging and handling installation