Linear Rail Systems (LRS) precision linear rail systems by HaydonKerk consist of a stationary base with a load bearing carriage that travels along an aluminum rail. Motorized it uses a size 17 external linear actuator, or optional a size 17 double stack external linear actuator integrated into the slide for a complete single axis positioning system. A non-motorized system can also be ordered with various leads and shaft end confi gurations. The lead screw is made from 303 stainless steel and coated with TFE coating.