GAMBER-JOHNSON's MAX3 medium knuckle 100 mm kit with round plates. Includes medium knuckle, 100 mm extension and thread adapter, and two (2) round plates (has NEC and AMPS hole patterns). Use the MAX3 mounting solution when you need mount the TabCruzer to a console box system. The MAX3 mounting solution attaches to the back of the TabCruzer and can be bolted directly to vehicle console or dash. The MAX3 mounting solution allows you to position the TabCruzer from portrait to landscape at virtually any angle.