This machine is: • designed specifically for permanent jewelry; this machine's sole purpose is to weld jump rings. • easy and simple to use. • does not necessitate the use of argon gas to achieve a robust and durable weld. This feature has the potential to significantly alleviate the additional efforts and resources typically associated with welding processes. • simple design that will not have give you reliability issues. • not a lot of moving parts or sensors will start glitching under heat (which Orion and unbranded welder will). • will not have random issues due to complicated engineering. • reliable and give consistent welds every time. • power output can be very finely tuned. • comes with free training via training videos, chat support, and/or phone support (a $1000 dollar value). • assembled in the USA with 6 month manufacturer free replacement warranty. This welder works great for permanent jewelry, for use on your gold filled and sterling silver jump rings (can weld other typ