aluminum

Fits all Branson 5170, 501, 8800, 851, 900 series and 2000 series standard actuators, assembly stands, and IW systems, Dukane 43x2xx presses and thrusters, Sonics and Materials E, F, and G systems, and many Ultra Sonic Seal systems. Check mounting ring and stud sizes to be sure.  Input and output threads are 1/2-20.  Adapter studs are available if required. All-new, precision made in USA. One year limited warranty. PLEASE SPECIFY GAIN RATIO: 0.4, 0.5, 0.6, 1.0, 1.25, 1.5, 1.75, 2.0, 2.5