Regulator Check Valve Set Automotive Tools Marquette model M12222 is a

Marquette model M12222 is a 15' Euro Mig Welding Gun Extension

This is not a mig gun itself but merely an extension for an existing gun

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These zirconia flap discs for sale are ISO 9001 certified and have a maximum RPM of 13

Regulator Check Valve Set Automotive Tools Marquette model M12222 is aRegulator check valves fit on the end of the regulator before the welding hose. They prevent the reverse flow of gas back through the hose toward the tanks. This is a necessary safety measure since most cutting torches as sold without check valves on them to make the price more attractive. These are "B" sized check valves for 3 16, 1 4, 5 16 and 3 8 twin welding hose.