Meet the HD2 robotic arm: a 5DOF solution for tactical robots with an aluminum construction that can be used to open doors, manipulate things, and handle explosives. It can be optionally enhanced with wrist tilt. The Arm has a serial interface control board.
This heavy duty arm combines with tactical robots to take on tasks dangerous for humans. It has a payload of 20+ pounds. It has shoulder and elbow rotation of 190 and 140 degrees respectively.