Knight Global's KSHVAR Series Overhead Carriage Mounted Vertical Servo Hoist Roller Arm is an Intelligent Assist Device (IAD) that assists and enables an operator to reach underneath and overhead work areas with minimal effects of inertia with heavy loads in a confined work cell; while precisely locating or floating that load in the "Z" direction (vertical axis) with speed, precision, quality and unmatched reliability. The KSHVAR Series Servo Roller Arm creates a stable lifting platform, eliminating the yarding and swinging of chain or cable.

The KSHVAR roller chain series allows for more stroke of the arm, versus the standard chain because the servo is offset to the backside of the arm. The roller chain is a more robust option to the link chain and provides a smoother transition across the sprocket.