1/4ips X (2) 1/8ips Threaded - 1-1/4in Diameter Tee Disc Armback - Unfinished Brass.Used for Tee Fittings.  Configuration Top: None Bottom: 1/4ips Female Threaded Bottom Hole Sides: (2) 1/8ips Female Threaded Side Holes (180 Degrees)