The SR3 is a damper mechanism that controls torque and produces safe, smooth movement. The closing speed of this damper can be easily adjusted to to its controlled closure damper torque. It creates a soft and light movement, and adds a luxurious feel to the motion. By controlling the closure speed of heavy loads, it prevents shutting on fingers or hands, adding an extra element of safety to your products. Its high durability is tried and true, with each damper having endured operational tests of 300,000 rotations. Check out the SR3 in action with this video. The product summary is also available here.