Uni-guide is comprised of rail and carriage made of lightweight anodized aluminum, and bottom of slide is keyed for precision alignment. Carriage is self-lubricating, with Frelon GOLD liner to create extreme environment-tolerable design, and allows particulates to be wiped harmlessly off shaft. Offered with customizable options such as locking vices and conveyors, guide may be driven by ball screw, lead screw, or motor.