Premiere’s Latching Duct™ Raceway System is a single piece raceway with a living hinge. It has been designed to fit all of the Premiere Wire Hider Raceway® Cat 5 accessory items: Inside/Outside Corners, Right Angle, Tees, Reducers, Ceiling Drops and Adapters. It is constructed from UL94VO listed material with UV stabilizer added to prevent fading. This system is offered in 6 foot lengths packaged 20 per carton. It is the industry standard for managing and hiding wires and cables.