Atlas Audio 186-16-Channel Supports with Adjustable Slot & Flat Nut

186-16 support rails provide quick and efficient installation of protective enclosures and mounting rings. This mounting bar features an adjustable slot and sliding flat nut which allows for a wide range of enclosure or mounting ring positioning. 186 Series is ideal for use with AtlasIED 75 and 76 Series mounting rings as well as 95 and 96 Series enclosures in 16" (406mm) and 24" (610mm) stud construction. Model 186-16 is constructed of galvanized CRS.