The Bud Industries ARR-1272-BT 44U capacity open aluminum relay rack is ideal for installation where easy access to components is top priority. Each ARR-1272-BT aluminum floor rack is built for years of solid, trouble-free service as well as obvious ease of service where frequent attention is desired (i.e. telephone switching systems).BRBRThe Bud Industries ARR-1272-BT open aluminum floor rack has a black textured powder coated finish and features 19 in wide panel spaces. Panel mounting holes are #12-24 tapped on EIA universal spacing on both the front and rear flanges. Screws are ordered separately. Rack is shipped knocked-down in a single carton with all necessary assembly hardware.