Constant Force Springs, or Conforce® Springs, feature a small package size and linear force making them ideal for aircraft interiors and applications such as counterbalancing aircraft doors, assisting in the deployment of satellite solar panels and antenna and aiding in missile systems.

Constant Torque Springs, or Contorque® Springs, are designed to provide a consistent, flat torque curve. With a high number of turns in a small package size, these springs are used to assist with motor applications as well as to provide tension or retraction on both large and small cable mechanisms, such as refueling cable reels.