"Screen used unit when Pepper Potts helps Tony Stark remove the Mark I RT chest unit and install this Mark II RT unit. Also seen when Obadiah paralyzes Tony and removes it from his chest and then places it in the Iron Monger. Production noted this as the hero Mark II RT chest unit used by Robert Downey Jr, Jeff Bridges and Gwyneth Paltrow. Constructed of acrylic, brass and aluminum with functional wires and connector for power at the base. Item measures 3" across and 2.75" deep.