The Advantex Series of non-locking or dummy rail devices are designed for use on all types of doors where locking is not required. Utilizing the same extruded aluminum base-plate and stainless steel wraps, these devices are able to complete your specification where non-locking interior doors are required. The 01 provides the look of the standard 10 exit device for wide stile doors when matching devices in a grouping is important. The 04 provides the look of the standard 40 exit device for narrow stile doors when matching devices in a grouping is important.