Made from tough, lightweight extruded 6061-T6 alloy. 1/3 the weight and twice the strength of forged brass. Rocker lug on male and swivel. Available in lightweight or chrome. Long handle female available at an additional cost. Both 30 and 45 elbows are available in sizes 2" thru 6" with any thread and as increasers or reducers. Damaged threads can be replaced without losing total unit.