Description: Hold-back precision transmatic devices for a wide range of applications. In overrunning mode the sprags lift off both the races and run contact free resulting in a wear-free operation. RSCI series holdbacks are available in broadest torque and speed ranges and shaft diameters. Incorporated in the RSCI holdbacks is Stieber's exclusive sprag design using FEA (Finite Element Analysis) resulting in higher torque capacity and longer life.