Capacitive discharge (CD) welding unit . A "mold welder" brand new , in open box , DME Pro Weld model UMW0001 . Primarily for adding material to repair or redesign molds and dies by creating high-energy discharges through a capacitance circuit. A resistance welding method is that it creates almost no heat in the base material, preventing alteration or damage to the mold. --- See -- https://store.dme.net/item-detail?itemId=400328&organizationId=2 ----- Video -- https://youtu.be/YGin10myaIU?si=yT3SdswyCJUIDEr3&t=5 --- Cash Only