Description: DoArm S8 8 DOF ABB Model Robot Mechanical Arm. Full Metal Construction: Stainless Steel for high quality and durable character. 8 DOF structural design can make the robotic arm move flexibly, so it can grab objects in any direction. The joint of robot arm is connected by good bearings, which can make the arm move with the smallest friction. Great for learning DIY robotics, electronics, Arduino programming and Python programming. Specification: Material: Stainless steel Color: black Number of Axis: 8 Size: as picture shown Package Includes: 1 piece Robot Arm Note: This Robot Mechanical Arm is not included gripper and servo!