WE ARE SELLING 1 GOOD CONDTION AND WORKING Sonics Spot Metal Welding System THE UNIT IS USED AND EXCELLENT CONDITON INCLUDES THE FOLLOWING PARTS: Manufacture: Sonics & Material Inc INCLUDES THE FOLLOWING MSC4500-20 SMART CONTROLLER POWER SUPPLY 4500 WATTS MWA20RHEKSC is a precision benchtop pneumatic press used for ultrasonic metal assembly CV294MW- Converter BHN15BRC 20 KH A11858MWAN.V Ultrasonic Stack with converter, booster and welding tip LOOKING AT REASONABLE OFFFERS