Dedolight Vacuum mount, 152 mm (6") diameter suction cup

Supports lights weighing up to 40 lbs. (18.1kg). The vacuum mount has a 6" (15.2cm) base and a heavy-duty ball swivel joint with a 5/8" stud. The base has a small pump on the side which eliminates the air underneath, allowing it to be attached to most smooth surfaces.