Meet the KRAKEN: a robotic arm designed for the space industry that can manipulate controls and items in small spacecraft. It has 7 degrees of freedom and measures 1m. It requires only 19cm x 27cm x 36cm space. This robotic arm has a hot-swappable end-effector interface.
The KRAKEN robotic arm has a 500g payload capacity. It weighs 5kg in total. The above video shows it in action.