SeaSucker 2-Cup Holder Angle Mount Black. You dont have to. The Angle Mount Cup Holder can attach to either and anywhere in between. A ball-and-socket joint gives this cup holder the flexibility to match any mounting surface youve got. Like all of Seasucker's cup holders it attaches with a powerful-yet-simple-to-use SeaSucker 4.5in vacuum mount which means you can put it where you need it when you need it. Specifications for SeaSucker 2-Cup Holder Angle Mount: Manufacturer: SeaSucker Size: One Size Package Contents: SeaSucker 2-Cup Holder Angle Mount SeaSucker MC5303B: 2-Cup Holder Angle Mount Black