BS-01 Suction Cup Mount Ball Head for DSLR Camera Style:BS-01 simply insert the smaller tube

simply insert the smaller tube in reverse direction

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the BS-01 is more multi-functional

press the air pump button on the suction cup several times to draw out the air in the suction cup until the warning line is not visible

BS-01 Suction Cup Mount Ball Head for DSLR Camera Style:BS-01 simply insert the smaller tubeBS 01 is one piece pump vacuum suction mount with ballhead, consists of a vacuum air pump cup mount at the base and a ballhead on the top; compared with its competitors, the BS 01 is more multi functional, safer and easier to use. Cup mount diameter: 4. 6in.(117mm) Height: 4in.(102mm) Ball Diameter: 28mm Weight: 14. 7oz.(418g) Ballhead Load Capacity: 22lb.(10KG) Suction force: 165lb.(75KG) The air pump suction cup mount adopts the principle of vacuum