Our Suction Base attachment ball is capable of being tilted for extra versatility in positioning your device. The Camera Top (UN-310) has a removable 1/4-20 camera stud. It also features a mounting surface with holes and slots, which accommodate the AMPS standard (1.496" x 1.181") pattern for direct attachment of numerous electronic devices. This base, like our other products is produced for use in aviation and marine environments where being compass compatible and corrosion resistant are important. 3 lb maximum load.