Large re-locatable symmetrical robotic arm with 7 degrees of freedomERA acts as a tool for: Installation, deployment and replacement of Solar Array Drive and arrays of the Russian Science and Power Platform (SPP), Inspection of the Russian segment of the Space Station, support/transfer of EVA cosmonauts, transfer of Orbital Replacement Units and other assembly tasks. The arm consists of 2 End-Effectors, 2 Wrists, 2 Limbs and 1 Elbow joint together with electronics and cameras. Both ends act as either a “hand” for the robot or the base from which it can operate.