The Comau NJ4-210-3.1 SH is a six-axis shelf-mounted industrial robot with a hollow wrist, in which the tool cabling and dressing are routed internally through the arm. It carries a maximum wrist payload of 210 kg and reaches 3188 mm horizontally, with a repeatability of 0.10 mm. Typical tasks listed are assembly, machine tending, handling and packaging, measuring and testing, and spot welding.