MTS Direct supplies high quality inverter welders from SIP, Awelco and Jasic. An inverter welder is a relatively new and innovative type of welder that has a host of advantages when compared with the conventional transformer based welders. Inverter welders use sophisticated silicon based technology as compared with heavy copper/aluminum transformers and rectifiers seen in traditional welders. One prime advantage of inverter welder is it is small, compact and very portable. Most Inverter welders can be used with basic DC TIG but more expensive models will have full DC TIG functions with controlled gas and high frequency. Top of the range is AC/DC Tig welders which will do all materials including Aluminium. All in stock for next day delivery from our warehouse and shop in Ballymount Ind. Est, Dublin Ireland.